Earlier quoted context omitted.
Because he needs to face consequences for his behavior. He's a massive liability to his company.
What if he's a 10x engineer? He's a massive PR liability because of our insane outrage culture, but he's a very valuable asset for, you know, his actual job.
It's not unheard off. Personal Anecdote: I've known a friend, who keeps the most obnoxious programmer around at his company because he wrote the core money making algorithm by himself and is the only one who understands it. The ceo actively protects other employees from this programmer, but won't fire him because they need him more than anyone else at the company.