I then contrasted that with the simulation hypothesis, that doesn't make such claims.
That doesn't make the core hypothesis of either one falsifiable. Rather, it (at least to me) makes me less likely to entertain the (non-falsifiable) hypotheses that surround themselves with demonstrably false claims than those that don't.
If you're saying that creationism is wrong because many creationists are wrong, that sounds like some kind of fallacy.
That's doesn't even bear a resemblance to what I said.
Apparently, my communication skills are quite poor, so I will cease to attempt to use them in this context[0].
[0] Or you're being deliberately obtuse. But I don't claim that as I try to assume good faith.
What would be an example of one of those claims? We tried Creationism but it turns out one can't really demonstrate that it's false.