Every liberal does it too, from center right radlibs to far-right "conservatives": the most extreme right fringe liberals hate the mainstream liberals for not being bigoted enough, the mainstream libs hate the radlibs for not being cruel enough, and the radlibs hate the left for not being chauvinist enough.
Denouncing chauvinism in particular is like a liberal moral event horizon, a cardinal sin against their self-interested belief in the righteousness of the imperial hegemon that keeps the treats flowing at gunpoint.
I've had parts of that song stuck in my head for like a year now, particularly the verse:
And private property's inherently theft
And neoliberal fascists are destroying the left
And every politician, every cop on the street
Protects the interests of the pedophilic corporate elite
it's very funny how he turned from Funny Internet Guy #4812 to a communist and probably the only actually good video essay I've ever listened to dealt with him and the views in that video are a core jigsaw piece in my personality and thinking