One thing I noticed about some corps, they don't fire so much as 'prune'. They'll decide that some branch of the organization is rotten and they'll prune it. Pruning has the advantage that whatever the negative behavior is it leaves with the offending group.

Advice if you work at a place like that and find you're under a bad boss or your coworkers are assholes you need to transfer out. Otherwise eventually you'll get made redundant with the rest of them.