Antinatalism is a more deranged branch of eugenics. It's not simply "promoting eugenics" it's a belief that giving birth is the greatest evil one can inflict upon a child and the world at large.
That they'd clearly see us as subhuman isn't surprising given that they at best want our entire species to voluntarily go extinct. Their entire worldview is best summed up as gentle genocide is good.
Ah yes the widespread political message that was "me and the boys out at 3am looking for beans"
How could we possibly have missed those political overtones.
Dude you must be on some extremely powerful drugs if you think all memes are political propaganda.