If Sununu Scott Pompeo & Pence Join Republican Primary Race They’re Doing It Only to Throw Support to DeSantis

Everybody knows that Chris Sununu, Mike Pompeo, Tim Scott, and Mike Pence (plus Nikki Haley who’s already announced) have no chance to win the Republican president nomination, so what reason would they have to enter the race other than to throw their support behind DeSantis when the time is right?