The question shouldn't be "Why God exists in all people mind?" It should be "Why does God STAY in unbelievers' minds."

well both questions for me pertain to the same aspect. I think for non-believers, they'd rather believe in something that can be explained rationally or something that has physical evidence. though for me, you need to look far to be able to see that there is a god who makes things work for us. the earth is place that pretty much has everything working for us to be able to survive and I don't any coinsidence in that. there should be a god who patched all these up for us to make it work this way