This is a prime GOPe opportunity to allow party apparatchiks to "steal" delegates.
Oh well, as Cruz would say, "those are the rules".
Rank and file voters need to be made aware of such things...
Most of them don't have the time or inclination to learn, and most don't care. See "primary election participation rate."
That said, Trump's messages do resonate, whether the voters understand the details or not. And they resonate in large part becuse the public knows or senses that the political class is a bunch of corrupt opportunists who are selling the country out.