but that doesn't mean God, or something else, can still exist.
It also doesn't conclude that any such entity is nonexistent, which is why those conditions need to be implemented. If a ruling party tried to implement that a certain religion or theory was true, when there was equal or inconclusive evidence for and against it, then you wouldn't want that party to take over and implement a theocracy.
You would want- and yes, I sound pretty Socialist, but patriotic at the same time when I say this, a regulation that allows the government to neither confirm nor deny any belief, for the sake of being nonpartisan.
I do believe sir, that I obliterated your argument ;)
This isn't about being right or wrong. It's about allowing equal rights to every belief system and to bar the government from infringing upon a particular group's or groups' rights.