> Ugh, except Pozidriv will still cam and tear up their own screws, and same with Phillips. That's true, but using a Phillips screwdriver with a Pozidriv screw

> Ugh, except Pozidriv will still cam and tear up their own screws, and same with Phillips. That's true, but using a Phillips screwdriver with a Pozidriv screw is worse than either system by itself. Robertson may be objectively better, but that's irrelevant to my point. I was I was addressing was one of confusion. I think your comment more properly belongs at the root than as a response to mine.