So what? That tweet is not inaccurate.
The only issue is that the tweeter characterized Carson's R&R as a leave of absence. Even if that characterization was intentional, Carson did not plan to campaign in NH or SC and was, in fact, returning to his home in FL.
There was nothing wrong with telling Iowa caucus voters to not waste their vote on Carson. That's kind of the purpose of a caucus gathering.
Cruz's precinct captains should have advised each precinct captain to also advise their caucus attendees to not waste their votes on Santorum, Huckabee, Rand Paul, Jeb, Rubio or Trump.
Sorry Trumpboners, there's no "there" there.