I've noticed this problem on XFCE, and using i3, and I always just assumed it's because I hadn't installed a proper alternative, and was just using the defaults

I've noticed this problem on XFCE, and using i3, and I always just assumed it's because I hadn't installed a proper alternative, and was just using the defaults. I'm ashamed to say I'm part of the problem :( I didn't realise it was like this on arguably the main Linux DE though. That's awful.