> I don't know why left wing groups would celebrate. Other than the conservative category, most of the descriptors he used were inborn traits like being straight, being white, being a man, or immutable attributes like being from a particular country.

We're really going to pretend the left hasn't been demonizing certain groups and sanctifying others based on inborn traits? Hint: "X privilege" Economic and worker's rights considerations traditionally considered 'left' have, in practice, taken a back-seat.