He didn’t actually endorse Trump or Vance which is key. If he had, well, fuck him. But he demanded concessions.
That said: more than anything if you look at the crowd you’ll see the remarkable difference between the ruling class attending and the working class base that make up the GOP. That was a speech to the GOP’s working class base to make demands.
I have strong doubts if it will be fruitful, but I’m willing to see it out. Took some balls to make that speech without endorsing anyone.
The only way this is possible is by rewriting the Constitution. FDR was the last president willing to, and that definitely didn’t happen.
Biden doesn’t have Constitution rewriting level support.