You are encouraged to play with footguns on Linux, I do not do it and none of my family do it works fine for us. On "Linux desktop" one of the things you are not encouraged to play with is installation of programs. The Linux way is preferable that is why Apple and all the other are walking down the same path.

Not being able to install things sucks, but when you do you will easily destroy your nice shiny brittle desktop. The pebkac is strong here, but making the users enemies is a bad solution, this is why Google, Apple and MS are all bad desktops.

As I said I have been a Linux user my whole life. I know it works as a desktop but it works best with either people who do not care about instaling stuff, or thise who care enough to get it working.