Out of the box, KDE is superior for Mouse+Keyboard.
Gnome is superior for Touchpad+Keyboard.
And Gnome requires you to adjust to its way of doing things, KDE lets you adjust it to yours.
But if you "get" Gnome and are on a laptop without a mouse attached, it's a joy to use.
The idea behind Gnome is to have everything maximized, use virtual desktops for multitasking, and switch between them using touch gestures or cursor keys in the overview.
If you find yourself installing more than 3 extensions, especially major changes like Dash-To-Panel, just stop and use KDE instead. I firmly believe most people saying "Gnome sucks" just want a classical desktop metaphor. Which Gnome sucks at.

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