Yes, money-begging spam can only get Cruz so far, so he needs to prostitute himself out to the Uniparty for campaign funds. It’s his only path. And he seemed to act on this in his speech, when he talked about uniting with the anti-Trumps to defeat Trump.
The goal seems to be to destroy the front-runner and divide up all the remaining votes among the others, until everyone has the same amount.
Sounds very Bernie-esque.