The "Suppose there was a" conversations get kind of annoying when they start to talk about things that are not likely to exist anytime in the near future, like a perfect virtual simulation of the world.
'Suppose we are currently in such a simulation' - does your objection still hold?
Falsifiability is a really really interesting concept. It's not particularly popular among mystics because it sort of invalidates the whole religion thing.
No, it clearly demonstrates that religion is outside of the realm of science as many other things are as well (Philosophy, for instance. Or do you care to argue that Philosophy has no value?)
The answer to this question and its implications will quite possibly have relevance to choices we can expect to face in the near future, even if they will not feature a fully functional experience machine.