Denver

I think it's simple enough, they're trying to convince more people that we need to get big money out of politics. Bernie is probably also trying to pass the torch (and his followers) to someone young who can continue the fight after he's gone.

Is hard to say for sure exactly how everything is going to pan out given that random dark horse events seem to drive US politics so hard. The administration could say or do something completely unhinged tomorrow that ends up galvanizing massive support for who knows what. I think AOC and Bernie rightfully recognize that they need to raise awareness of the problem to maximize the probability things go in a better direction. I don't get the feeling they're overly concerned with how that happens because completely restructuring the Dems is not a hyper likely outcome.

All that said, forcing the Dems to coalition build with a nascent anti-money faction in the same way the tech/crypto bros and libertarians were able to force the GOP to might be a possibility.

There is no goal. Bernie and AOC recognize the need for resistance, but are too set in their ways/centrist to use effective methods of resistance, so this is a compromise with themselves where they go through the motions of resistance without pissing off the neoliberals too much and hope it accomplishes something. You know how Bernie likes to call for a mass movement to push America towards progressive politics, but when asked what that mass movement should do says "vote and call your senators"? It's more of that.