So many of the further-left’s answers follow the progression of the “step 3: ???” meme. I guess these days we might call it “concepts of a plan”. Even when the goals sound great, the paths to reach them are vague or non-existent (or even worse IMO, depend on questionable or simply outright illegal means).
You mention healthcare…I lived in Colorado in 2016 and we had a ballot measure for a constitutional amendment to establish universal healthcare. Great!
However, in the months leading up to that vote there were so many questions about details that the organizers of the ballot measure just met with some form of, “We’ll let you know after the amendment passes.”
I was a federal employee at the time, with an FEHB plan, and I was concerned that I would wind up paying for both the FEHB plan and the state tax that would come with the state plan. I sent multiple emails and asked at an information session but no one involved in organizing the ballot measure would even entertain the question.