This happens every primary season. As a candidate's chances of being nominated dwindle their rational supporters throw in the towel. Those that remain aren't into the whole math and reality thing.
The only way the Cruz die hards are right is if he's got a secret army of supporters who happen to be delegates. But that crazy argument could be made by anyone's fans. Maybe everyone is a Romney supporter? Maybe Hulk Hogan has a posse? Who knows!
Race is on folks....surprises forthcoming.