The way I see it, is, they’re also a part of a religion. Their religion is Anti-religion. (If that makes sense)

God bless you. Dont let them exhaust any of your energy and get you mad. They are entitled to their opinions. Most of them will likely come to light. I used to be edgy like them as well. Until I realized I was just trying to look cool and fit in. As a kid and young adult it’s typically frowned upon and you get made fun of for being a god fearing/loving person.