You just don’t get it. The majority of the delegates at the convention will NOT BE GOPe loyalists, but will instead be anti-Establishment types selected from Cruz (and hopefully Trump) loyalists.
GOOD LORD! They are Pubbies. They fold. That is what they do. Have you not watched Congress?
As soon as the party apparatchiks start threatening and coercing ...
GOOD LORD! They are Pubbies. They fold. That is what they do. Have you not watched Congress? It's up to the candidates, Cruz and Trump to pick loyal delegates, where they are allowed to pick their own delegates.