nailed it. I see this odd "eugenics" framing all the time, and all I can think is 'ooh la la, somebody's gonna get laid in college." you can argue the academia until you are blue in the face, but the real-world statistics show that less educated people have more children and that education quality in the US has been declining. It's not a foregone conclusion that one causes the other, but there's a cogent argument to be made that it's about the culture of poorer people vs the culture of richer people - and they even spell out that angle in the movie. They show how reticent the rich couple is to have a child, and how eager the poor couple is to do the same. It's about what their cultures value about children and legacy. It's not "dumb people make dumb kids", it's "dumb people won't educate their kids past their own knowledge who, in turn, won't educate their kids past their own knowledge." The movie even goes on to resolve with the "dumb" descendants learning (from the protagonist) when they have anyone willing to make that a point of the culture. So I can't read a clean "eugenics" take from the film; I only find that take in misreadings of the intro, personally.