The Establishment made the rules. The Establishment won. Cruz tried to change the rules. Trump sided with the Establishment, even letting them hand pick his delegates.
All this was very clear during the campaign. Unfortunately, many chose to embrace a lie instead about Trump being a swamp drainer.
As you should notice from my post above, I have never regarded Trump as conspicuously trustworthy. He is a big-time schemer.
I think Trump
fooled the GOP Establishment into believing he would be easier to work with than with Cruz. (After all, he had liberal NYC creds, didn't he?) Trump then turned around late in the campaign and said that he was going to drain the D.C. swamp; that announcement surely worried the swamp denizens in the GOPe, but Trump turned around
again on Inauguration Day and called the Clintons "good people."
That infuriated Trump's base, but only
temporarily. Now Trump is calling for the prosecution of Hillary--and facilitating it through
Sessions, of all people. (Trump/Sessions recently put Utah DA John Huber in place to take down the Clintons. They are manifestly doomed now.)
Wait and see what happens over the near term, maybe even tomorrow! We may see a flood of activity soon.
(It was the U.S. military that begged Trump to run for POTUS way back in 2015. Try cranking that into your thinking. [Look at how many military guys and gals he has on his staff.] I submit that if Trump survives, he is likely going to
blow the D.C. swamp to pieces. Remember: Our military is sworn to defend our Constitutional Republic "against all enemies, both foreign
and domestic." I believe
they are going to drain the swamp.)