"So I built something people wanted. Consumers wanted it, doctors wanted it, I wanted it. Where did I go wrong?"
As far as I can tell, nobody wanted it except the author. The one doctor he talked to didn't, and no consumer ever saw it. I feel like the author learned a lesson, but not the full lesson.
Reading this was like watching someone you don't politically agree with doing comedy. You know they're trying to be funny, but you also know they're missing the whole point and aren't self-aware.