The article details the complex engineering behind human breathing—diaphragm mechanics, gas exchange, and posture effects—and argues healthy respiration is often undervalued until problems arise. It warns that modern lifestyles can impair breathing efficiency.
John Gruber argues that established companies like Uber and Lyft will not simply cede control to AI agents, noting that entrenched stakeholders have their own interests and can slow or resist technological disruption, much like Walmart's refusal to accept Apple Pay.
The "just-say-no engineer" who blocks changes to maintain quality was a product of the ZIRP era, when tech companies had bloated teams and little pressure to deliver. With ZIRP over, companies now prioritize shipping features, making this role less valued. The article argues this shift is often blamed on AI but would have happened regardless.