Are they? As the article OP shares suggests, these films quietly make us compare our lives to what is portrayed on screen. This is advertisement 101: display people in enviable positions to portray a sense of longing for a lifestyle that one would not normally seek. A food commercial isn’t selling you a product, it’s trying to make you hungry.
If all you wanted out of these rom coms is the portrayal of a carefree life, you could just watch pharmaceutical, banking, or insurance ads.
It’s set in 2077. Why the F does it need to feel American? There’s enough Americana in media already.