I would say it depends on the user. Some might feel more at home with KDE, because the layout is similar to Windows. Some might be coming from macOS, so they would be more at home with Pantheon. Some might choose GNOME, because...
Anyway, the answer is none of the above, it's terminal only. Get good or get out. Using graphics is for quitters.
It helps that they don't eat avocado toast, so they don't lose money.