Do you think that it is profoundly important? Does anyone?
My point was this: Theists have beliefs, and atheists have beliefs. And those beliefs affect how we address big ideas and big issues.
In another thread, Most people are agnostic, you say:
(Emphasis yours.)
And this:
(I’m pretty you just made a small mistake in writing “believe” instead of “belief”.)
The implication is that atheism is a coherent, well-thought-out belief.
We agree in principle. 
Also, I found it amusing that, in that same thread, you said:
And, in this thread, I said:
When you brought up universe-destroying trolls, were you making ontological or epistemological claims?