>>508862823
Behaviour is very probably over 80% driven by genetics. Jews are a group with extremely strong in-group preference, which is enforced by their "persecution". Circumcision aside, which would require a dedicated thread wrt its effects on jewish psyche, any jew with low in-group preference and with pity for goyim will leave the group by mixing his genes with goyishe, leaving original group even more loxic and nepotistic.
Ergo ...