There is no real or legitimate issue about how attractiveness is somehow "unearned," as though it should be earned, I can only presume through labour, and probably struggle, though it is not clear from whom one might earn it. Perhaps the forces of history inevitably closing in on a dying class? The idea of privilege is an artifact of that ideology and it's the defining attribute of an antagonist. Is it useful? It is a tool that is applicable in some limited instances, but applying it to the alleged "privilege" of beauty seems like that old adage of when all you have is a hammer and sickle, everything looks like a kulak.