Installing Linux is not a user problem. Most users wouldn’t be able to install windows. You will never have users easily partition a computer, especially if you want to keep data. Even most people working with computers wouldn’t be able to that!
You’re gravely misunderstanding what users need. If a computer is pre-installed and working, 90% of the problems are solved already. The actual problems are 1) to not break the system with an update, and this on two computers I updated once a year it didn’t happen for 5 years ; 2) have the softwares working
is the big part : people will moan about not having office, but office365 is a thing and you can tell them to deal with it. Video games are the next big part, and with proton it’s almost as smooth as it could get