If Cruz manages to win through Delegate theft it's going to be a #NeverGOP movement. People punish those who cheat them no mater the consequences. Trying moralize about it won't be effective.
If Cruz cannot win the nomination on a second or third ballot, and the convention goes to a brokered convention...then I might agree with you.
But if Cruz wins on the second or third ballot because enough individual delegates (not GOPe) switch from Trump to Cruz, then Cruz hasn’t “stolen” anything. Your frustration would be with the system.
If Ted Cruz has broken any rules in securing second ballot delegates, then I urge you to bring this to the attention of the FEC immediately rather than waste your time venting on FR