What Are The REAL Lessons From Zohran Mamdani's New York Win?

Lots of people have gotten excited about an upset win for an old-fashioned socialist candidate in the New York Mayoral race. Notwithstanding the implications or otherwise of the politics of it, the real lesson that Democrats and everyone else involved in politics should be paying attention to is the fact that someone finally showed up the dismal level of what passes for political campaigning right now. Let's discuss.