Gideon Levy a Ha'aretz newspaper reporter recently asked: "If Israelis were so sure of the rightness of their cause, why the violent intolerance they display toward everyone who tries to make a different case?"
It seems that Americans are kind of in an abusive marriage situation with Israel, where because love and friendship are assumed to be there, the abused partner keeps feeling guilty and acting hyper-responsible, and tries even harder to please the abuser. Many Americans maintain friendships with pro-Israel Jews and simply decide not to discuss politics; however there is an emotional blackmail going on because if you did mention Israel or Jewish-American genocidalism, the relationship would be over.