The Great Asshole Fallacy
Excellence awards you the choice of being an asshole.It also allows you to be revisionist in excusing you being an asshole as necessary in retrospect, even if it wasn't.Some people will be assholes if allowed to, but I don't think it's (positively) correlated with success.I imagine few people work better for/with an asshole, and if someone excellent/smart/1000x developer is pleasant to work with (but perhaps assertive) the results are probably even better.