If Wikileaks shows emails with that message, intimating that Trump was the designated fall guy and implying that he was a willing participant, could be demoralizing for Trump supporters.
It isn’t surprising or new. McCain had no intentions of winning, and I do not believe Romney did either.
I believe Jeb Bush was the original intended faux GOP candidate. When that didn’t work out, the Dems set their sights on Rubio and Cruz.