The US doesn't reward factual programming, that's why the History Channel turned into the Ancient Aliens Channel.
Similar thing happened to G4 tech TV.
By the late 00s/early 10s it was all Pawn Stars and American Pickers.
Interest in drier, more educational content is less for every human society I know of.
Having a publicly funded TV network goes a long way to producing good content.
Is the European programming you're impressed with publicly funded by any chance?
But I agree with you. My wife and I are doing thr digital nomad thing traveling across the US staying in hotels. The first thing I do when I arrive is plug in my Roku stick.