Learning a new OS is very different from learning to drive or medicine - for one you wont kill anyone by messing up. So the bar to entry should be far lower. Things should just work and be safe by default. You should not need to read through manuals to get basic things to work in Linux. It is very nice that you can if you want to really take advantage of what it has to offer - but it should not be a requirement to using it at a basic level.

If you force everyone to learn how to use Linux before they can use it then why would most people even bother with it at all? Linux distros have gotten way better at not requiring lots of knowledge before you can use it over the years. To a point where you only need to learn a few differences, but why stop trying to make things even easier to use and lower the bar so more people can use it? Why does Linux need to be some elitist OS that only those that are willing to read through manuals can use? Some distros can target those people, while others can target people who just want to use their systems for actual work/play.