They don't usually want to. Why restrict yourself in such contortions?

Bit it's entirely possible, and common. E. g., uses of Linux in schools and governments are not more terminal-heavy for end-users than Windows setups.

Fedora on supported hardware does not require the use of a terminal for the kind of things people use Windows for.

Your bar has been cleared long ago.

(that's without even mentioning steam, chrome os, android, &c)