I'm going to strongly disagree with this one, but it's clear you and i will not agree about this.
"More on-point for the thread: I don't think it's reasonable to argue that someone pointing this out is "cynical". :) " I still believe think it's incredibly cynical to assume and write that the only purpose of a PIP is to formally make up evidence so you can fire someone. Precisely because i've worked at places where that is very specifically not the intent.