If they really wanted Democrats to come out in support, they probably should have put forth somebody other than a Republican candidate. Bernie is ok even after acknowledging his warts, but the deck is already stacked. If they'd knock off this stupid charade and just announce who they have decided will win next November it would save a lot of wear and tear, and we could go back to watching the kabuki in congress.
Not having rioting in the streets is probably is probably a good thing from an economic point of view, but expecting actual support for this bullshit is over the top.