It requires a lot of preface to explain and that gets lost in the volume of text. So let me make it more simple
Be prepared to vote for the Democrat. If the GOPe maneuvers nomination of Romney types, and those maneuvers prevent MAGA candidates from that nomination, they must be punished. The only way to punish them is to vote Democrat in that election.
Theoretically, then to GOPe swamp dweller could be eliminated because of his failure to nominate a winner.