Why would Jebbie want Crispy Cream in the race? He draws from Jebbie’s base.
Oh I don’t think Christy would stay in long. Just long enough to take few votes away from dangerous candidates (in Jeb’s eyes). Even if it took a few voters from Jeb, he’d get them back when Christie endorsed him. But he might also have been able to kick someone else out along the way.
It’s just a spitball guess.