I think if you made two buckets labeled "sex" and "politics" a majority of well-regarded films from all of the 20th century, right back to the beginning of film

I think if you made two buckets labeled "sex" and "politics" a majority of well-regarded films from all of the 20th century, right back to the beginning of film, would land in at least one of the two. Lots would qualify for both. Tons of our most beloved films are political, and that's true back to the dawn of cinema.