… And then something happens and they want you to install Windows again.
As much as I like Linux, compared to Windows and Mac OS it’s high maintenance. Once in a while, things will bork themselves. And you need to have at least a rough understanding of what’s happening to fix it.
Also (and that’s not a Linux problem per se) people seem to think if Windows breaks, MS or they themselves are at fault, if Linux breaks, that weird nerd and his hacker stuff are at fault.