Professor Paul Gottfried, a leading critic of wokeism and political correctness, wades in on the issue of the anti-white racism of Leftist whites. While giving a good outline of the hatred that white Leftists have for the likes of Trump supporters, let alone people like yours truly, he does not pin point exactly why the white Left hate their own kind so, while this would be unthinkable for the Han Chinese, for example.
The source lies in the pathological altruism of whites, primarily Nordic whites, who have by either reproductive selection, or cultural change, developed a weak sense of identity; for the Left, their identity and allegiance lie with their universal Leftist class, rather than with the local groups or nation. This in turn arises from a perversion of the universalism that Nordics have quested for, to transcend the local and particular. While in normal times, this could lead to greatness, these are not normal times. Hence the pathology of a rich segment of society, Left whites, turning on their own kind for political mileage, as the Democrats are doing. In short, they are race traitors, selling out their tribe to gain riches from other hostile groups. Unfortunately for them, these groups will ultimately take these Leftist down, those groups having stronger group unity.