I had a lot of the same feelings as you did, for a lot of the same reasons. It does work for some people.
There are also many people in AA and they don't all do things the same way. Maybe bring up atheism in a meeting and get a discussion going. It's always interesting.
All of this (sobriety/life) is about finding our own path. Every single person does it differently and it is an inside job for all of us. Find your path, Lola. Only you know what that is.