@Asriel
Bro you gotta chill. Not to mention, I don't think the author is even portraying any of these things in a positive light. The MCs "Soyboy" friend is never even portrayed in a positive light. It makes him look like a degenerate, and the girls around him when they hear his motives look down on him. In fact, one of the few characters in the story that behave on any kind of moral compass, is the character who is usually misaligned with racists because of his views of wanting to preserve his culture. I don't even agree with the idea that this is meaning to portray any politics, but if its portraying any its on your side lmao.
Besides relax, its just the stupid gimmick this particular ecchi manga employs to get a wide variety of spontaneous random/cliched girls to pursue the protagonist, with a convenient excuse that hes only interested in pursuing a woman of his species to provide him a cop out to all advances. Its just having its cake and eating it too, not making some kind of statement on the representations of native/foreign ethnicity lmfao.