I somewhat disagree, I think a large part of it is being genuine.
you're obviously free to believe whatever nonsense you want, but it says more about your lack of social skill than anything approaching a truth.
I go to a D&D group with 2 devout christians, 1 agnostic, 1 atheist, and 1 hindu.
We've all been good friends for probably 15 years at this point. Do you think we all agree?
maybe stop limiting yourself.