The mass media talking point is that unless President Trump wins 100% in every primary he has big problems.
Tell that to all the other party nominees over the decades who had much tougher primary fights and then went on to win the general election.
Can you say Obama?
You bring up good points. But Obama had an actual primary opponent, a strong primary opponent, until the end. Last night, there were no primary opponents. They’ve all suspended their campaigns. Yet they in general got 20% of the vote. What becomes of that 20% in November? Some will close ranks around Trump. Others may not. I saw a headline that said 11% will vote for Biden. I don’t recall 08 Clinton voters saying they’d vote for McCain. Maybe they did.