When an industry experiences a massive failure rate, the problem is rarely a lack of effort from the people involved. The problem is almost always structural. When products or training systems are designed against human biology and cognitive limits, they will inevitably fail at scale, regardless of how much the institution resists the evidence.
History is littered with examples of this exact phenomenon. It happens when institutions fall into the sunk cost fallacy, protecting their revenue streams instead of adapting to new data. It happens when designers build systems that look efficient on paper but cause cognitive overload or physical injury in the real world.
In both cases, the root cause is the same: arrogance. It is the arrogance of assuming that human beings can simply “try harder” to overcome their own biology, or that an institution can simply ignore evidence to protect its authority.
Here are six case studies that prove what happens when you design against human nature—and why the institutions responsible for those designs fight so hard to keep them alive.
Why Institutions Refuse to Change Despite Failure
When an industry leader builds its identity and revenue on a specific model, evidence of that model’s failure is rarely enough to provoke change. Instead, the institution typically doubles down, blaming the consumer or the environment rather than the product.
1. Ignaz Semmelweis and the Medical Establishment
In 1847, Dr. Ignaz Semmelweis discovered that the catastrophic mortality rate from “childbed fever” in maternity wards dropped from 18% to 1% when doctors simply washed their hands with chlorinated lime solutions between autopsies and patient examinations . He presented meticulous, empirical data proving his case.
The medical establishment’s response was not to adopt the practice, but to attack Semmelweis. Doctors were deeply offended by the implication that their hands were unclean and causing patient deaths. The evidence threatened their professional identity and status. They rejected his findings, refused to change their practices, and forced Semmelweis out of the hospital .
The Lesson: Undeniable outcome data will be rejected if it threatens the ego and established practices of the authority figures in charge.
2. Kodak and the Digital Disruption
Kodak invented the first digital camera in 1975. However, the company’s entire business model—and the salaries of its executives—depended on the sale of photographic film and the chemicals used to develop it.
When presented with the inevitable shift toward digital photography, Kodak’s leadership suppressed their own invention . They argued that consumers would always prefer the “quality” and “feel” of traditional film, treating digital as a passing fad. They clung to the model that had made them successful, ignoring the changing reality until the company filed for bankruptcy in 2012 .
The Lesson: Institutions will actively bury the solution to a problem if that solution threatens their primary revenue stream.
3. Blockbuster vs. Netflix
In 2000, Blockbuster CEO John Antioco was offered the chance to buy a struggling DVD-by-mail startup called Netflix for $50 million. Antioco declined, reportedly struggling not to laugh the Netflix executives out of his office .
Blockbuster’s revenue model was heavily dependent on late fees—punishing the consumer for failing to return items on time. Netflix’s model eliminated late fees entirely. Blockbuster refused to adapt its punitive, high-friction model because it was too profitable in the short term. By the time they attempted to pivot, it was too late .
The Lesson: Systems that rely on penalizing the user will eventually collapse when a lower-friction, more sustainable alternative is introduced.
Products Designed Against Human Biology
The history of design is filled with products that assumed human beings could simply adapt to the machine. Systems that violate human biology or cause cognitive overload always fail at scale, no matter how much training is applied.
1. The QWERTY Keyboard and Repetitive Strain Injury (RSI)
The standard QWERTY keyboard layout was not designed for speed or ergonomic comfort. It was designed in the 1870s to physically separate commonly used letter pairs to prevent the mechanical arms of early typewriters from jamming .
When computers replaced typewriters, the mechanical constraint vanished, but the QWERTY layout remained. As typing speeds and durations increased in the digital age, the biological cost of this design became apparent. QWERTY forces the hands into unnatural pronation, requires excessive stretching for common keys, and overloads the weaker fingers . The result has been an epidemic of Repetitive Strain Injuries (RSI) and carpal tunnel syndrome among millions of office workers .
The Lesson: Designing a system for the limitations of a machine, rather than the biology of a human, inevitably leads to physical injury and long-term failure.
2. Google Glass and Cognitive Overload
Launched with massive fanfare in 2013, Google Glass was a wearable optical head-mounted display. It failed spectacularly as a consumer product, largely due to profound human factors and biological violations.
The device placed a screen in the upper right corner of the user’s peripheral vision. Studies quickly showed that constantly shifting focal depth between the real world and the Glass display caused severe eye strain . More importantly, the device induced severe cognitive overload. The human brain cannot seamlessly process a constant stream of digital notifications while simultaneously navigating complex physical environments. The divided attention led to degraded performance in both spheres .
The Lesson: Products that demand more working memory and attentional bandwidth than the human brain possesses will fail, regardless of the technology behind them.
3. Electronic Health Records (EHR) and Physician Burnout
The transition to Electronic Health Records (EHR) in hospitals was intended to increase efficiency and reduce errors. Instead, poorly designed EHR interfaces have become a leading cause of physician burnout and a significant threat to patient safety .
Many EHR systems require doctors to navigate dozens of drop-down menus, bypass irrelevant alerts, and manually enter redundant data. This creates massive “extraneous cognitive load”—mental effort required to operate the system that detracts from the actual task of diagnosing the patient . When working memory is consumed by fighting the interface, doctors miss critical clinical signals, leading to diagnostic errors and profound exhaustion .
The Lesson: Systems that prioritize data storage efficiency over the cognitive capacity of the human operator will cause the operator to crash.
The Biological Imperative
The throughline connecting all these failures is the assumption that human beings can be trained to overcome their own biology.
Whether it is a doctor refusing to wash his hands, a corporation refusing to abandon a dying business model, or a training system demanding that students memorize arbitrary data beyond their cognitive limits, the outcome is always the same. When a system is not designed in harmony with human biology, the system fails. And when an institution’s salary depends on ignoring that failure, the institution will fight the evidence until the bitter end.
You cannot beat biology, and you cannot debate an institution whose survival depends on being wrong. The only path forward is to build a better system that respects the limits of the human mind and body.
Tom Fernicola is a 37-year working court reporter and the author of The Science of Steno: Why Court Reporting Is So Hard. He applies cognitive load theory and human performance physics to stenographic training. Read the research at tomfernicola.substack.com or visit brevitysteno.com.
References
[1] Pioneering Hand Hygiene: Ignaz Semmelweis and the Fight Against Puerperal Fever. PMC.
[2] Ignaz Semmelweis Was Ridiculed for Advocating Hand-washing. HowStuffWorks.
[3] 50 Famous Brands That Failed to Innovate. Valuer.ai.
[4] The High Cost of Complacency: Lessons from Kodak, Blockbuster, and Nokia. HealthManagement.org.
[5] Horror stories in the business world: Big mistakes that destroyed big companies. ENEB.
[6] 10 Companies That Failed To Innovate, Resulting In Business Failure. Collective Campus.
[7] Me, the Dvorak Keyboard, and the Wall Street Journal. This is True.
[9] Therapeutic Approaches for the Prevention of Upper Limb Repetitive Strain Injuries. PMC.
[10] Lessons Learned From Google Glass. SAGE Journals.
[11] 15 Biggest Product Failures Of All Time And What We Can Learn. DesignBro.
[12] Clinician Cognitive Overload and Its Implications for Nurse and Patient Safety. ScienceDirect.
[13] Patient Safety Issues From Information Overload in Electronic Health Records. PMC.
[14] What’s causing doctor brain drain and how to prevent it. MDLinx.