[a fool in paradise]

ALSO -- the sign is not promoting a "religion" or "non-religion", it is ATTACKING all religions.

The same restriction on our government establishing a state religion forbids our government from restricting (or denouncing the validity of) other faiths.

[little jeremiah]

Being an atheist with the message that “religion is bunk and God does not exist” is not a religion on a par with actual real religions.

If the above is “religious expression” then anyone can write up anything in the world and call it “religious expression”.