Just what sort of problems would doing the above command lead to. I have installed kde desktop and would like a pure kde DE. I understand theres kubuntu but I've done so much with this one now that I'd be loathe to do it all again.
It would remove the Unity desktop environment itself, so that when you log in, the Unity session option will no longer be available. If you will never use Unity, there should be no problem.
Be aware that there are many dependencies of
A few Unity-related things you probably should leave:
Assuming you are already using the KDE login screen (which is separate from the default Ubuntu one), you can also remove