They recognize that a conservative, even one who has repeatedly ticked them off, is infinitely preferable to a lunatic.
As for your demagoguery and puerile insults, it is not surprising that you are a Trump supporter. They follow their leader and emulate his behavior.
Look in the mirror. You’re projecting again.
Once Trump is disposed of, the GOPe will kneecap Cruz so fast you won’t even see it happen. Kasich/Rubio will simply magically appear.