Amazingly funny, that.
Basically one segment of the Progressive Movement is telling another to sit down and stfu.
And yet, I doubt many will see this moment with the clarity required. If people of your own political persuasion are calling you a useful idiot, it's time to wake up.
Anyway, I'm not surprised there's a strata in the aggrievement industry. Even chickens set up a pecking order, and I'm willing to concede that leftists have brain sizes concurrent with that of a chicken.