He is the official candidate as voted for in the primary.

Cool, he’s still not the official candidate because he hasn’t been selected at the convention yet. If you’re going to lecture someone for not knowing how the system works you should at least understand that the primaries don’t actually select the candidate, the convention does.

“We have to run a weak candidate that polls like shit because the last time we did this exact same thing we lost but it’ll work this time” is the real head in the sand stance.