OK and not OK

Being an atheist is ok.
Being an atheist and shaming religion and spirituality as silly or not real is not ok.

Being a Christian is ok.
Being a homophobic, misogynistic, racist, or otherwise hateful person in the name of Christianity is not ok.

Being a reindeer is ok.
Bullying and excluding another reindeer because he has a shiny red nose is not ok.