There is an atheist community no doubt about that. The bright movement was a good example and then followers of Dawkins, Harris Hitchen et all which roams place

There is an atheist community no doubt about that. The bright movement was a good example and then followers of Dawkins, Harris Hitchen et all which roams places like Reddit are by every definition of that word a community with a shared amount of argument, interest and an idea of outside the community.