As far as the #NeverTrump crowd is concerned, Hillary's election is apparently a done deal. It's a self-fulfilling prophecy if ever there was one, but they just know Donald Trump can't possibly beat her, and they wouldn't help him do it in any event because Trump is so icky to them.
Ask them about this, and they will offer elaborate justifications for why Hillary's election is not their fault! Here's Brandon Craig at the Reformed Layman going to quite the lengths to explain why a non-vote or a third-party vote by an otherwise conservative voter is not really a vote for Hillary: