Mike over at Blueweeds says what ought to be said:
I have been trying to stay away from the increasingly odd temper tantrums promoted by the MacAuliffe “netroots” supporters over at Blue Commonwealth and  Blue Virginia. There is a level of self importance which I do not understand, which is bad for the party, and which makes folks like myself, whom I would describe as true neutral grassroots Democrats who have zero interest in being employed by any campaign, want to do anything other than support the candidate jammed at me by the self-described progressive netroots bloggers.
This sort of childishness has happened every cycle since the Miller-Webb primary, and every time, it does a little more damage. If you’re part of it, stop it. If you’re in the audience, get up and leave. And for fuck’s sake, Virginia Democrats, stop rewarding it.