You're giving wayyyy too much credence to Stone. The guy is full of more sh*t than a prison sewer, and lives for his next conspiracy theory. He's a nutjob who should be ignored.
Cruz has an PAC backing him that will generously pay all convention expenses if the delegates flip their Trump vote to Cruz.
Cruz is packing all delegate spots with party professionals that are anti-Trump delegates to have his way. And now Cruz is asking for loyalty pledges from his delegates because he fears the party delegates will dump him.
The Credentials committee will be reviewing numerous infractions with Cruz delegates.