It would be surprising if it was otherwise.
Before Donald J. Trump got the opportunity to schlong Mrs. Clinton in 2016, he had to decimate the GOP establishment. They didn't like him in 2016, the Bushes were big Hillary supporters, ditto with McCain and Romney. And once Trump took office, they were all pissed that he bypassed them for the various jobs in the administration.
But in 2020, they didn't even make an attempt to take the nomination. Why didn't all of the big donors the GOP establishment is said to have , why didn't they recruit Romney or Kasich, or back Weld or Joe Walsh?
Instead they didn't make an effort, they know they are Pathetic Losers.