They certainly could see the excitement Bernie was creating and it scared them because it was a threat to their self-serving agenda.

I hate that the entire political apparatus in the US hinges on a few assholes' egos, but it's what we're stuck with

And the millions of people who voted for her...

There's no alliance to be made with the party that's decided it serves the enemy.

Wall Street is the enemy. No party that takes corporate donations at all can claim not to be serving the enemy.