This is just too much hyperbole. Describing the entire US as a "terrible place to have a family" is just ridiculous. Perhaps in some urban bubble that's the case, but there are wonderful places where raising a family is affordable and enjoyable.
Like pretension? Portland calling here. Like Theatre? NYC calling. Like the cold? Alaska on the line. Like surfing? Hawaii here. Like the great outdoors? Pick one of a million places.
You just can't do that in any individual countries in Europe, as they are all smaller than most US states, with far less varied environments.