One candidate or another is going to eke out a win requiring superdelegates to put them over the top, in the most divisive nominating race the party has seen since 1968.

A very significant fraction of Democrats aren't "fine" with the candidate you are referring to, even to the extent of seeing that candidate as a tolerable choice.

A lot of Democrats stopped liking HRC's actual politics in 2000 and have cognitive dissonance about the complexity and change of her whole career.

That's a good point with regard to some Democrats, but I'd imagine such things are why Bernie is as popular as he is.