Born and raised LDS, but have been an agnostic leaning toward atheism for nearly 40 years now.
To directly answer the OP, I see no oppression of atheist views, and no moderation that seems to favor Christianity over atheism.
To address other issues raised in this thread, and in some of the other related current threads, I also don’t think that Christianity regularly gets more of a pass than scientology on the board, or more than other non-xian religions.
But they do sometimes get treated a little differently.
We’ve all seen the xian fundamentalist come in, make statements about how one thing or another is proof of the their particular “truth”. And we’ve all seen them torn to shreds logically, and sometimes personally if it winds up in the pit, all without moderator intervention. Many times we’ve had mods join in. I seem remember such a thread recently, where Tomndeb repeatedly challenged a particularly ignorant poster’s claims and trashed his arguments.
So these kinds of claims mostly get treated like any other nutjob claim. Cites are called for, correct information is posted, ignorance gets fought.
But if a xian (or poster of pretty much any religion) posts about beliefs, does not claim to have scientific proof, or even any proof, just a belief, they usually aren’t given too much grief. And they might even get mod protection if one of our oh-so-noble-we-just-HAVE-to-fight-ignorance-or-we-betray-all-we-hold-dear atheists gets a little too frisky.
In my opinion, this is the way it should be.
And it seems to me that for a couple of reasons, we see more xians posting just about beliefs than we do other theists. For one, there’s a bunch more xians in the population that the board draws most of its membership from. For another, some religions, such as Scientology, pretty much base their entire set of beliefs on things that are, well, scientific. Things that are directly testable, or for which hard evidence exists to the contrary.
So the xians (or other theists) who don’t make falsifiable claims, or who at least aren’t basing their main points on falsifiable claims, may get treated differently then those who do. Again, IMHO, this is ok.