They knew he wasn’t going to win so saved their money.
Do you mind if we wait for the count? Geez.
They "knew" he wouldn't win? How did they know this? Do they have a crystal ball? Psychic powers? I myself know nothing of the sort. I'm still praying.
The RNC didn't bankroll Cuccinelli because they want to be able to say, "See? We told you these Tea Party types can't win. We need to run more moderate candidates." There are FR threads discussing this; look them up, and educate yourself.