One reason not to use it: the risk that the flailing of the desktop/client/table/mobile version will bleed over into the server version. I expect my servers to

One reason not to use it: the risk that the flailing of the desktop/client/table/mobile version will bleed over into the server version. I expect my servers to be very boring and I've always been concerned by the rapid changing in the Ubuntu ecosystem. (Note: I used Debian Stable on servers with some packages updated to Testing versions.) The main benefit of Ubuntu was the focus brought by Canonical to the GUI and GUI tools. By the same token, I've consistently been wary of running Ubuntu on the server...