Theres a lot of talk of our lack of belief here for 2 reasons: it's the one thing most all of us have in common to certain degrees, and a lot of us are here in the first place because we have relatively few faithless friends in real life. in the case of many of us who are isolated in very religious communities or who were raised under an oppressive thumb of religion, it helps deprogram some of the brainwashing to have a place to vent about the ubiquitous influence of mythology on our politics etc. If your focus is on other topics theres plenty of that too, but like others have suggested youll probably have to find your other niches and favorite topics amongst the many groups we have, and if you can't find it, start your own group. If it does bother you severely to hear atheism mentioned often Id suggest getting involved with Universalist Unitarian churches or some hobby or community service that gives you a topic to focus on other than worldview.

I feel exactly the same way. I haven't read any of the books that are referred to and didn't know the names of many of the well known atheists before joining this site.
What I get out of it is the ability to have conversations or read conversations where nobody makes some sort of religious explanation for various life or world events, or offers up prayers, or automatically dismisses me because I'm not a believer.

I don't really give my atheism or humanism all that much thought ordinarily, but I live in a place where there are not only believers in religion but also a lot of what I'd call "woo" and I am happy to have found a place that is largely devoid of that.

Socializing with friends in real life, and on social media, I'm bombarded with irrational supernatural assertions which leave me wanting to roll my eyes and shake my head, but that's not polite, so I stay quiet and refresh my mind by reading posts on this site.

you can see that we have lots of categories; only one of them is religion.

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I think your first sentence says it all. It's like joining THIS.com and wondering why few people are talking about THAT.

So what do you want to get out of this?

I am not entirely certain that I really grasped the essence of your question, but it certainly gave me a good idea.

I think that it is rather normal that you don't give it much thought. Most people are like you even those who belong to a religion hence the frequent rituals prescribed by some religions. If the believer had the inner voice telling them several times per minute or per hour that they belong to a certain religion, there wouldn't exist the necessity to remind the believers with calls by the muezzin from the minaret or will the noise of bells from the belfry immitating the voice of gods.

I remember when my elder daughter asked me for permission to become a christian and her mother backing her request by saying "I believe in god too (god 2.0)" ... I could only reply "holy shit" ... At that time I had been in a relationship with my daughter's mother for 25 years and the question of any alligeance to any deity had never come up.

Have you taken the time to go through the Group list and join groups centered on interests and hobbies?
It doesn't seem that you have.

I joined to escape hype and sales
pitches of all kinds-being human,
free expression they come first here.