”…the disposition, in any conflict, to side with ‘them’ against ‘us’, and the felt need to denigrate the customs, culture and institutions that are identifiably ‘ours’. Being the opposite of xenophobia I propose to call this state of mind oikophobia, by which I mean (stretching the Greek a little) the repudiation of inheritance and home. Oikophobia is a stage through which the adolescent mind normally passes. But it is a stage in which some people—intellectuals especially—tend to become arrested. As George Orwell pointed out, intellectuals on the Left are especially prone to it...."
Then there's left-wing antisemitism, which demands that the Jews of Israel shouldn't fire rockets back occaionally because that amounts to a holocaust -