Because they have not experienced the cruelty of what they are supporting. . . yet. The moment they do, they’ll cry and whine that it’s affecting them.
See Florida stopping permanent alimony and the blow back from Republicans that are shocked it’s affecting them.
It’s because tankies are just contrarians that use communist ideology as a vehicle to be anti-west / anti-United States (anti-liberal democracy). Tankies will defend any cause or ideology that is against ‘the west’ even if that means happily ignoring the blatant homophobic, genocidal and repressive authoritarianism.