You base that accusation on WHAT evidence? Cruz has the 2nd most amount of money (not counting Trump who is self funded) in the Republican race after Jeb Bush.
A billion dollar plus general election.
http://thehill.com/blogs/ballot-box/presidential-races/230318-the-5-billion-campaign
Cruz has raised 34 million.
Eventually the RNC and Republican mega-donors will have to be activated. They won’t back Cruz. He won’t have anywhere to go.