I use a belt for overhead press over 135 lb because it beats the hell out of my lower back otherwise. I can press 175 "strict" btw. Under normal circumstances I don't use a belt for any other lifts, I like the core workout I get from heavy deads and squats without one. I will sometimes use a belt for *every* lift when I'm injured, it's better than staying home IMO. Maybe I'm one of the guys the OP was on about?