There are pundits. There are money men/women. There are state party leaders. There are lobbyists. There are retired party leaders. Lots of these folks work behind the scenes to make sure the apple cart isn’t upset and their power/control isn’t abated. As Rush said, it’s a “country club” - it’s “royalty”.
The same people who supported McCain will support Romney until he loses to Barry. Then they’ll support RINO Christie when he loses to Hitlery or some other Dem.