They wanted him to win because he COULD win. Bernie couldn’t. I say this as someone that aggressively supported Bernie.
The problem is that you don’t understand what’s at stake, so you can rest on your single-issue outrage and think you’re in a place to demand better.
You’re not in that place. The rest of us know that, but you refuse to listen. So you and others like you will do what you did in 2016- fold your arms and throw a temper tantrum.