Because not required in Qubes.
- https://github.com/Whonix/whonix-base-files/blob/master/etc/skel/.bashrc.whonix
- https://github.com/Whonix/whonix-base-files/blob/master/etc/motd.whonix
Reported by @mfc.
Migrated from https://github.com/QubesOS/qubes-issues/issues/1397.