It's so annoying to see people move the goalposts to make their guy look better. Seriously, he lost. Nearly 3.2 million votes down, but he energized the party so he won? Apparently not enough for them to actually get out and vote. Unless they all did, and yet he still lost, which is even more sad. Get real.
The 3 Million stuff is pretty dumb as an argument as it excludes votes from caucuses - And it is up to her - She is free to ignore the 45-46% of the votes which Sanders will receive by the end of this campaign at the very least!