Thanks for sharing your thoughts.
If you want governmental solutions to those problems in a democracy, you need to win a majority of the votes in elections. If you want to win a majority of the votes in elections, narrative is (at least) as important as policy.
Democrats belief that policy is all that matters and messaging is “just marketing” create an opportunity for people like Trump, who — for all his faults, ignorance, and pathologies — is a brilliant marketer. Dems need to focus a lot more attention on “just marketing” if they want to win, and that’s the underlying point of the whole piece.