Earlier quoted context omitted.
I used to be a very hard headed atheist until I read the book "The Secrets of our Success" by Joseph Heinlein. That book speaks of how culture evolved along with genetics, and it made me realize how important tradition and religion really are to society. I am still atheist, but now very much encourage religious people to stay with their faith and continue their worship. There are definitely downsides to religion, but…
Would you encourage radical muslims to stay with their faith and continue their worship? What about even more marginal religions? If not they which exactly religions are you going to encourage? What's the "good list"?
Christianity has largely reformed.
Judaism is too exclusionary to affect the whole world.
Unfortunately islam is still being practiced like it was 1000 years ago.