Question to atheists and agnostics: Why are you not a deist?
Over a lifetime I haven't come across sufficient evidence to convince me that such exists, but as my tag shows, I do leave the door open a little as to there being some such creative force/being, just that the chances of such are quite remote. And I'm afraid the accusation that I haven't looked might rebound on those who have - in finding that which they seek all too often - given that so many seem to find different answers in their searches. I think I have satisfied myself as to doing enough work.
I should add that I see it as being essential to have some understanding of the human sphere and the world in which we find ourselves, even if such is not too extensive. So all who are capable, in my view, should at least have some knowledge (and regards the history) of philosophy, psychology, anthropology, animal behaviour, physics, biology, geology, astronomy, science in general, and perhaps politics (the least favourite for me), as well as theology if they are determined to study such. I never felt the need for the latter, given that all the rest interested me far more and I would hardly have gained anything (choosing which to believe), whereas I did gain a lot from my interest in most of the other subjects.
And I think the lack of knowledge in any of these subjects often accounts for why so many will tend to believe religious doctrine rather than accepting the best evidence in any one of these fields. The most obvious examples being evolution (which is widely accepted), the ages of events within our universe (that too), and the basis for human morality (again having good evidence for being an evolved behaviour).
My education was rather poor with regards much of this and hence I had to educate myself, which understandably will have left many holes in my knowledge, given that it wasn't structured so much as driven by interest. Still, if I was to place my bets on the belief systems of those who have a good understanding of these areas versus those having an intimate knowledge of religious scripture (but lacked all this), I would place my money on the former.