The other candidates and the RNC haven’t lived up to their end of the bargain, so DJT is released from his end of it.
I wish he would run third party. The current Trump supporters would vote for him. Then you add the people who like to do the “cool” thing, e.g., vote for Obama ‘cause he’s black — or vote for a third-party candidate because it’s out of the ordinary. Put them in the equation and things could get interesting.
There's a Chinese curse..."May you live in interesting times".