nvidia-prime recommends packages "unity-greeter | lightdm-greeter | lightdm-kde-greeter" resulting in apt pulling in much of Unity when installing on Ubuntu GNOME

[roothorick]

roothorick@modestmonster:~$ sudo apt -s install nvidia-367
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  bbswitch-dkms geoclue-ubuntu-geoip gnome-power-manager gnome-screensaver gsettings-ubuntu-schemas
  indicator-applet indicator-bluetooth indicator-datetime indicator-keyboard indicator-messages
  indicator-power indicator-session indicator-sound lib32gcc1 libaccount-plugin-1.0-0
  libaccount-plugin-generic-oauth libaccount-plugin-google libc6-i386 libcgmanager0 libcuda1-367
  libfcitx-config4 libfcitx-gclient0 libfcitx-utils0 libgeonames0 libjansson4 liblightdm-gobject-1-0
  libnih-dbus1 libpanel-applet0 libtimezonemap-data libtimezonemap1 libunity-settings-daemon1
  liburl-dispatcher1 lightdm mountall nvidia-opencl-icd-367 nvidia-prime nvidia-settings
  screen-resolution-extra signon-keyring-extension signon-plugin-oauth2 ubuntu-touch-sounds
  unity-control-center unity-control-center-signon unity-greeter unity-settings-daemon upstart
Suggested packages:
  bumblebee click powerd unity-system-compositor unity-greeter-session-broadcast fcitx url-dispatcher
  bindfs lightdm-remote-session-freerdp lightdm-remote-session-uccsconfigure remote-login-service
  graphviz upstart-monitor
The following NEW packages will be installed:
  bbswitch-dkms geoclue-ubuntu-geoip gnome-power-manager gnome-screensaver gsettings-ubuntu-schemas
  indicator-applet indicator-bluetooth indicator-datetime indicator-keyboard indicator-messages
  indicator-power indicator-session indicator-sound lib32gcc1 libaccount-plugin-1.0-0
  libaccount-plugin-generic-oauth libaccount-plugin-google libc6-i386 libcgmanager0 libcuda1-367
  libfcitx-config4 libfcitx-gclient0 libfcitx-utils0 libgeonames0 libjansson4 liblightdm-gobject-1-0
  libnih-dbus1 libpanel-applet0 libtimezonemap-data libtimezonemap1 libunity-settings-daemon1
  liburl-dispatcher1 lightdm mountall nvidia-367 nvidia-opencl-icd-367 nvidia-prime nvidia-settings
  screen-resolution-extra signon-keyring-extension signon-plugin-oauth2 ubuntu-touch-sounds
  unity-control-center unity-control-center-signon unity-greeter unity-settings-daemon upstart
0 upgraded, 47 newly installed, 0 to remove and 0 not upgraded.

This is a discrete GPU desktop system, so nividia-prime isn't even useful in the first place...

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: nvidia-prime (not installed)
ProcVersionSignature: Ubuntu 4.8.0-34.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-34-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: GNOME
Date: Thu Feb 16 03:20:17 2017
InstallationDate: Installed on 2017-01-21 (26 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: nvidia-prime
UpgradeStatus: No upgrade log present (probably fresh install)