Shmi comments on Do I really not believe in God? Do you?

[Shmi]

all of these feel like idiomatic expressions of emotion to me

I was talking about a genuine feeling.

signaling atheism isn’t much of a priority for me

I’m not an atheist, and I don’t care much about signaling anything of the sort.

If you’re seriously worried about expressing yourself this way

I’m not worried, I was curious.