One benefit is it’s the future and my DE is going to drop X soon.

Another is it’s more secure. Not just any window can read the clipboard or the keys you press. Of course, I had to turn that protection off because Steam is still X and my controllers back paddles popped up a permission dialog whenever I hit them.

Am I doing a good job convincing you? Anyway, I switched to Plasma Wayland and it was fine for me, with a few tweaks needed.

No custom login theme now, or no theming ever? I will likely want to change a few things