That is stupid from both of them.
Dont tell your boss you dont expect to be there long.
Dont expect your workers to want to be there long unless you offer good options to advance and educate themselves. Especially for a help desk job... that's very often an entry job to get a foot into the IT door.
Yeah he came in with an agenda (block all legislation that could hurt his luxury car daddies). And he achieved all if that. Now his job is done and he gets to retire early.