“Whites” today now comprise literally every fair skinned ethnic background that isn’t east Asian. I shit you not, I think Hispanics who are fair skinned will be the next group subsumed into the white category

Funny story. Before the 1980s, Hispanic people were considered white. (Modern people praise I Love Lucy for including an "interracial" marriage, but people in the 1950s just saw a white couple). But since Hispanic people in America tend to be a bit culturally distinct from the ruling class, other white people wanted to be racist against them, and so the meme arose and spread that people of Spanish and Portuguese descent are a race distinct from all other people of European descent.