You've clearly missed the point of the story and kind of reaffirmed the pitfalls of being the CEO of a company with any amount of public success.
First, it was a fail if felt your primary responsibility is to the team, shareholders and just general commitment you often set out to as a founder fulfill in building something that people love and use.
Being fired from something you believe you tried your hardest at doing right is brutally painful to self-identity. The quality of the food you eat after word at best distracts you from some of the pain and nagging "what-ifs."