Or, it was just a slip and by making a big deal of it, treating it as an actual statement with meaning, his opponents make themselves look ridiculous to rational thinkers.
That makes any actual real argument they may present against his actual policies and philosophies lose credibility by association.
It's funny to joke about, but if the RNC puts it in an ad or raises it in the press, they are stupider than I ever imagined them to be.
And I already think the GOP is run by idiots.