To some degree, I guess the backroom deals are standard political practice. But there's never been an overnight surrender of all opposition, combined with ALL OF THEM suddenly endorsing the frontrunner. And a very weak frontrunner at that, with no clear agenda or vigor to really succeed against Trump.
It makes sense if the party is worried that Bernie will so tarnish the "Democrat brand" that they could lose the House, whereas Biden would (even if he loses to Trump) allow them to keep the House.
There's also the subterfuge angle. They're all basically democratic socialists, but only Bernie admits it. Running old Joe allows them to keep up the illusion.
Trust me. I've been involved in campaigns. Sometimes it's not a question of "who will win" but a question of "who will do the least damage to our party".
