It's a win for humanity if they're faked, and for the UK, because that means those atrocities weren't committed and weren't committed by UK soldiers. It's also a big potential win for the anti-war movement if they were faked by the US because it shows another level of perfidity of the current regime.

In fact, pretty much the best thing that could be said about those photos is "Maybe they're not real." Nothing good is said about the world if they're real.