When religious people make jokes at the expense of atheism I consider it dumb and immature.

When atheists make jokes at the expense of religion, I also consider it dumb and immature.

In fact I praise the South Park people for depicting both sides as having the exact same capacity to be stupid and being equally capable of ruining the world.

If you ask me just because there is or is not a god involved in your life does not make you any less capable of dumb or disastrous choices.