I'm not sure if genetics play as great a role as culture. IMO there is enough genetic variation in all cultures to produce Einsteins, but some cultures are able to cultivate that potential better than others.

You can't separate culture from religion, but culture is distinct from religion.

I'm actually really mad at Jordan Peterson for answering the Jewish Question and giving it a platform. I assume that's where you got your opinion from, but if you didn't, many will agree with you because of JBP.