You can run sudo apt purge xfce4 (if you wan to remove all of its components and dependencies) or sudo apt remove xfce4. If you don't have an other DE installed, I suggest you find one and do it form the other DE, because if you don't, you're gonna end up without a graphical environement, and you would have to do everything frop the terminal.
I think that what keeps most folks away is the default look of xfce, because I can't see an other reason it is not more popular
A girl read documentation and see that all the titles are underlined with -, but one of the letter isn't underlined like the others (that's the lonely s). Then she asks the person doing the commit to fix it and they fix it together.
I installed linux on a new pc 2 days ago, had no problem with the wifi drivers. I don't know if it's the fact that the wifi is integrated on the motherboard, but it was up and running without any tweeking from me (unlike windows)