Being an atheist is okay.
Being an atheist and shaming religions and spirituality as silly and not real is not okay.
Being a Christian is okay.
Being homophobic, misogynistic, racist, or otherwise hateful person in the name of Christianity is not okay.
Having any belief is ok
Being an asshole about it is not
Being a grizzly bear is okay.
Murdering people on picnics,stealing honey from bee friends,and wearing clothes is also okay.