How is laying out, in a technical fashion, what went wrong and the lessons learned insulting his colleagues? I'm very curious. Just because someone made a mis

How is laying out, in a technical fashion, what went wrong and the lessons learned insulting his colleagues? I'm very curious. Just because someone made a mistake, and that mistake is acknowledged, doesn't mean they are insulting them. Also, how come it can't be done in an internal memo, email, party, pay bonus, raises, etc.?