It's better-looking and more consistent than KDE and more actively-developed than Enlightenment (which feels at best half-finished).

I’m used to the exact setup it offers me. I built a keyboard with custom macros to interface with some shortcuts that the desktop offers and I’m very particular about having them all available.

That alone isn’t a deal breaker, it’s not very difficult to replicate all the tweaks that I prefer, but I also have a 144hz monitor and Gnome has some of the best support for that that I’ve found. I don’t like having my window manager lagging behind, and the combination of the two leave basically only Gnome in the intersection.

Besides, in my experience, there isn’t a huge benefit in changing either. I try new options now and then and never feel like I’m missing out.

Well, some of us do like GNOME.

I particularly love the Overview mode when you press the Super key.