Nader actually talked about this and he has a significant experience with bringing progressive agendas to success in Washington. One of his big methods from early in the article was, build a big coalition and then promise votes to the Democratic candidate if they get on board with particular parts of the agenda you’re asking for.

But the point is, it’s targeted and there’s strategy. It’s not just this “both parties are the same!” (they aren’t) or “I’m just frustrated things are bad, I won’t vote!” (which will make things worse)