Huh. Well, maybe it's like the Crosby/Ovechkin debate... un-winnable. You either think Tiger is the greatest, or you don't. People can argue both sides until they're blue in the face but it doesn't really matter. Admittedly the guy is insanely talented and one of the wealthiest athletes in the world, so... I doubt he really cares what we all think.
I think Tiger's the greatest, fwiw.
The only player I can think of that really choked against Woods was Mike Wier (which was unfortunate, because I kind of root for the Canadian guys too). And I'm not even sure if that was in a major, actually.