Reasonable people should have good reasons for believing the things we believe as well as good reasons for doing the things we do. I don't know why this would be controversial.
...And this has nothing to do with atheism. I don't know where that comment came from out of left field. In any case, it's off topic and a red herring for addressing the problem at hand.
Maybe I do have good reasons and maybe I don't. I've stated enough of em around here for you to make that determination yourself. If you wanna find them, go look. I owe you nothing.