Well the post as I understand it argues the polar opposite. We had rabbit holes completely impenetrable social bubbles. And know everything is mixed and globalised. Probably for the better all in all
It's not as common but I'd say you still see kids that grow up in a household with satellite for TV so they miss out on most of the streaming references.
Primo Baby is like this currently for me and my girlfriend. Her grandma got her a copy of it when she was a kid, but I found it online and holy shit, it's awful to the point that it's hilarious.