I've read this a lot, but in the four jobs I left i was never escorted out the door when I gave my notice. Maybe it depends on the role, but I've always stayed

I've read this a lot, but in the four jobs I left i was never escorted out the door when I gave my notice. Maybe it depends on the role, but I've always stayed out my 2-4 week notice period and spent the time wrapping up my tasks, writing documentation, doing exit interviews, etc.