Because he is making an utterly simple and trite argument about climate change (although no doubt will pretend otherwise). But if it's not obvious, I'll explain - how can just two photos, one of which we have no tide information, trump 100+ years of data, which in digital form would probably be in terrabytes of storage?
All those really simple arguments echo Homer Simpsons level of reasoning (say it in a Homer Simpson voice)
"Sure, of course atoms COULD consist of a cloud of electrons around a nucleus of protons and neutrons, but if so wouldn't we look fuzzier? "