Double check how? They were already lying to us about it! And it makes more sense for there to be some kind of hidden catch than for all of us to have blanket invites. This is literally the Devil we're talking about here, of course it's not gonna be that easy! At least the poster finally explained why it was all so suspicious.

We don't always get to have perfect, rock solid intel. Sometimes, you just have to make the best call with what you've got.