There’s never any real discussion of detailed fixes in this kind of complaint—because that might acknowledge we can fix the problem without overthrowing the system. There’s never any argument about how under socialism (or some other alternative economic model) public policy tradeoffs, political failures, or scarcity just wouldn’t exist.
As someone not from the US (but who has lived/worked/studied in the US), Sanders seems like the only member of the US upper house that is willing to speak honestly and engage in haram speech that goes against local provincial orthodoxy.
I'm literally a member of my state Democratic party's progressive caucus.
I'm sure you're very knowledgeable about how American political parties function.