They've only known devices which were built with such a curated UX that they never tried to troubleshoot problems for themselves. When I was a kid you had to be able to figure out how to edit config files and tweak registry keys to get your PC game to run. These days everything is so smooth and seamless. Oh sure, stuff still breaks. But the computers are pocket sized and run on a locked-down OS, so there's no point trying to troubleshoot them yourself.