Earlier quoted context omitted.
From what I've seen the performance review process in large companies allows you to mask a personal vendetta as a performance issue (and you'll get away with it). Your manager can say "based on feedback everyone says you suck" and you can't really do a whole lot to look into it. You don't know where the feedback is coming from, or if it's even valid. At a smaller company a manager seems more responsible to look at pe…
I don't know how common it is, but some companies have a process whereby your peers supply the feedback, and a management team reviews it. Surely this must address the issue of a manager who doesn't like you, right?
Peers supply the feedback, but one manager has the time/resources to review it... so basically they can interpret it however they decide.