In poor countries, like India, you have no privacy at all. The overreaction, in rich countries like the US, is to buy privacy the richer you get. But Americans take it to extremes, buying huge houses that allow them to go days without interacting with another person. In fact, not having to deal with other people is considered a desirable luxury. Sit at home and eat and watch TV and shop. I know people who drive (down…
Now I see children in nurseries behind substantial railings (safeguarding). They are protected from any contact with adults who are not in the immediate family. The family may or may not know the neighbours at all as modern housing seems to be designed to reduce contact - placement of doors &c. Playing on the street is impossible as your street is almost certainly a rat run for commuters.
I think I'm seeing real changes not just remembering my childhood with rose tinted glasses. I certainly see the effects in the 17/8 year olds I teach for one class. They have no idea about how adults live and communicate.