Serious question: are you having a particularly bad day or week? Because this was really rude and you appear to have poured out a lot more irritation than was merited.
If it were not for this, as a geeky photographer I'd get into it with you about whether Ansel Adams was really an artist, whether he's any particular benchmark or high water mark for photography, and whether individual creations are any less artistic than what he did.
Sloppers get really defensive.