> I think it used to be like this for a lot of people in the developed world as well when computers were new and most people did not have computers and those that did had only one in the whole household.

I remember playing games with family members using only a single keyboard. I have vague memories of even somehow managing four player games somehow, right up until keyboards stopped responding to that many simultaneous inputs.

This makes me wonder if part of the appeal the Nintendo Switch seems to have with, in particular, the 30-something crowd, is to do with how easy it is to play two-player games (or more) by just propping up the device and detaching the joycons. Nostalgia seems to really play a role in the popularity of that thing.