The should first fix the features they have, so they work.
Especially the basic features.
For example, why do my XP and 2K machines often forget how I grouped the icons on my desktop, scrambling them all up on me?
That’s basic stuff, for Pete’s sake.
Do you play any games by chance? Some games will select a lower resolution screen than your preference. The desktop may exist under the game... and the icons attempt to rearrange themselves to fit the new size. When you quit the game, the icons are left in disarray.