as a root user you can move files around no problem, I’m sure there’s desktop environment hopping articles to refer to, deleting is pretty straightforward too. for my case when I added i3 and hyprland I just tried flipping between the different desktops on a new user to see if anything broke before doing it on my main account, just something I have a habit of doing after some old mishaps
there was some interest in my lug with the different schedulers but attempts at benchmarking all fell within margin of error from our lay attempts at measuring