I'm curious about the no-remorse, humans-are-replacable ethos which is evident through the author's description of the recruitment process. I see this time and time again in stories about software startups, and it really gives me a queasy feeling. It does not make life at a startup company seem very inviting.
On amazon for example 4,5 is considered positive and 1,2,3 negative. You really want to keep 90%+ positive. So when someone comes along and decides to give a 3 because they thought the transaction was good but nothing out of the ordinary it hurts you.
The lack of nuance doesn't feel great either. For instance when you look though the bad reviews on trip advisor for a good hotel they are often people that have enlarged expectations of what the hotel could reasonably do for them. In some cases the hotel even going above and beyond couldn't please them.