@lyse@lyse.isobeef.org I guess the thing is that usernames are no longer needed for many popular things, like WhatsApp. “Just install the app”, done. When I ran my Matrix server for our family, this was the first thing that people were bummed out about: “Oh, this needs a username and a password? Why doesn’t it just work? That’s annoying.”

People are less and less exposed to “low-level” details like this. There was also this story in 2021 about the concept of a “file”: https://www.theverge.com/22684730/students-file-folder-directory-structure-education-gen-z