I also do know a bit of super linux knowledgeable people who dont need to tweak their system and use ubuntu. Sure they used to run super tweaked systems but by

I also do know a bit of super linux knowledgeable people who dont need to tweak their system and use ubuntu. Sure they used to run super tweaked systems but by now they use lts ubuntu, manually tweaking g their desktop gets old fast. (That said, they do tune the embedded file system they build on that distro and that they are responsible of.) Or developers that work on their interesting problem which is not tweaking a linux desktop.