The point I am making with my comparison with drink is that error is a trap just like drink.
No, you raised a completely irrelevant analogy that had nothing to do with religion. Alcoholism and addictions are diseases - having a different religion or not believing in a god is not, and is not something that requires 'curing'.
Now you may not believe the Papuans to be in error. You may not believe in the possibility of error(then why are you bothering to argue?) but I do.
You cannot say for sure that the Papuans (or the hapless victims of your missionary effort) are
wrong though.
You have to know something as an objective
fact to make a correct statement about whether it is right or wrong, and you simply don't
know that when it comes to religion.
You don't even know if you (the missionary) are correct - you only
believe that you are, and there is a world of difference between knowledge and faith.
You could both be wrong. You could even both be right. Or they could be right and you could be wrong (or vice versa). However,
you are wrong for assuming that you are right given that there is no evidence that this is true. You only assume you're correct because you believe that you are, not because you have any evidence or can actually prove the other side wrong.
So I am merely saying that given that this is the case, a missionary is not justified in going round converting everyone because you can't be
certain that they're wrong. (not that this stops them of course).
See it from the other side - imagine you're the tribesman, or that an alien race visits earth and sends missionaries among us. Imagine they say that your religion is wrong and that you should convert to theirs. What do you do? You believe they are wrong. They believe you are wrong. Is either of you correct? Or are you both wrong?
Or what if they aren't religious and instead say that they've found no evidence of god in the universe. You'd probably just shrug and say that god hasn't revealed himself to them instead of considering the possibility that God doesn't exist.
And no, I don't think that Religion will always be a part of human culture. I think it is quite possible that we will abandon it at some point in the future.