The actual reason why is that everyone was expecting Hillary to win and she had vowed to "end private prisons."
So everyone was calculating in a 90% or whatever chance Hillary wins, with some percentage chance she actually fulfilled her promise. Instead they got a 100% chance they would stay around for 4 years and probably get a tax cut. Pretty big adjustment is appropriate.
(Also old 2016 articles about Hillary are so quaint. They even mention Obama closing Guantanamo lmao)
The last time he was in the wider media discussion was because he negatively reviewed the Fisker Ocean and the Humane Pin and people were calling him a company killer.