Bingo. It would also make it trivial to alter images just enough so that it wouldn't match the hash, and then they can post shit that would need to be manually flagged and removed.
I already see things like this with pirated media; pirates will include extraneous material bundled with the target media so that it's not automatically flagged and removed.
Muslims aren't a minority. Fuck off with that nonsense. There are 1.9B Muslims globally, and, just like Christianity, they fuck up every country that they're in charge of.