The Bushes need a Clinton win to maintain the status quo. The Bushes are a substantial part of problems here and abroad. The old man was the first to publicly proclaim the New World Order. Trump upsets their strategy especially with a Trump win securing 4 - 5 SCOTUS picks.
Please remember: GHW Bush did not like Reagan. He despised him.
Also, GHWB was a creature of the Washington swamp. Long history in various government positions going back to the 1960’s.
“Please remember: GHW Bush did not like Reagan. He despised him.”
And, IIRC, Reagan didn’t like Bush, either. Wasn’t Bush forced upon Reagan for the VP slot?