Is "god exists, has the properties I believe it to have, and wants to stay hidden" really the only reason you can think of for the observable universe being as we observe it to be?

My own belief is closer to: "Something very powerful and supernatural* exists, doesn't seem to be hostile, and doesn't mind that I call it the Christian God." And while I would answer 'no' to that question, the amount of evidence that there is something supernatural* if far greater than the amount of evidence that there are millions of people lying about their experiences.

For instance, every culture has a belief in the supernatural. Now I would expect that social evolution would trend away from such beliefs. If you say, I can dance and make it rain, and then you fail, you would get laughed at. If you don't believe me gather a bunch of your closest friends and try it. The reason for people to believe someone else is if they had proof to back it up, or they already had reason to believe. Humans aren't stupid, and I don't think we've become radically more intelligent in the last couple thousand years. Why then is belief in the supernatural* everywhere? Is it something in our makeup, how we think? I have heard such a thing discounted by both sides. So there must be some cause, some reason for people to have started believing.

And that's without even getting into my experiences, or those close to me. As was suggested, misremembering, and group hallucination are possible, but if that is the case than I should probably check myself and some people I know into a medical clinic because I would be forced to consider myself insane. Seeing things that aren't there wold be a sign of something being very wrong with me, but I do not any any other symptoms of insanity so I strongly doubt this is the case.

I suppose when I get right down to it, either I and some others are insane with an unknown form of insanity, or there is something out there.

*(outside of the realm of what human science commonly accepts)