Because those services do not yet support being restarted.
Extended variable `$nrconf{override_rc}`, i.e. packages only reported to need
restart, but blacklisted from default/suggested automatic restarted with
`qubes-core-agent` and `qubes-gui-agent`.
See also `$nrconf{override_rc}`:
10bd2db5e2/ex/needrestart.conf (L65)
Thanks to @liske for helping with this.
https://github.com/liske/needrestart/issues/13#issuecomment-136804625
