Catholicism has been antisemitic since the founding of the Church. It's chief purpose is to keep Talmudic supremacists and sorcerers from getting a foothold in Gentile society. Kikes have been riling people up against Christians since the Roman times. Without a strong Church that keeps government's social experiments in check, subversion arises quickly.
Why do we need Jewish support anyway? Why are you guy so special? You are a global minority, therefore your approval or disapproval of whatever this movement stands for is wholly irrelevant.
It's not exclusion, it's freedom of association. Your plight is simply of no matter to me. I only care about my race.