The one thing that democrats do well is fall in line before election day. Those polling numbers about Sanders voters is very common when the candidate first drops. Same results came out when Hillary dropped out in 2008. Something like 40%+ said that they would not vote for Obama. But by the time the election came around, they fell in line just like nice liberals do. I don't believe these numbers will hold. Wish they would, but they won't. Also, Bernie is going to actively support Hillary. Bank on it.

"...aspire to live quietly, and to mind your own affairs, and to work with your hands, as we instructed you, so that you may walk properly before outsiders and be dependent on no one." - Paul to the church in Thessalonica.