That's misrepresenting atheists and atheism. I dislike that because I put great stock in accuracy.
But we were talking about harm.
I'll gleefully harm atheism in another way that does not require kicking them in the crotch. I think the majority of atheists make a huge mistake in thinking that the concept of a god is coherent enough for the question of believing it to make the slightest bit of sense.
Well, the concept of god needs to be defined for every single debate including the question of its existence.