I don't like keyboard-centric text editing. Yes GNU Emacs supports the mouse, but just like Vim the experience is miserable. You can spend a lot of time configuring it, but at some point you're just writing extensions of extensions just to get a basic GUI flow that isn't painful, and no matter what it'll never feel quite "right". The program just wasn't built with the idea of a mouse in mind, and bolting it on really wasn't sufficient.
Add onto that pretty nasty performance issues, internals that aren't exactly well thought-out, and the experience in general having a high background noise of jank, where it's not uncommon for simple things like rainbow parens to randomly break.
I understand why other people like it, but it's really just not for me. I'll stick with Lite-XL.