The market place of idea struggles in my close friend group where we have sort of a tradition to do these kind of debates, despite us being very close since almost a decade, and educated above our national average.
It's a nice enough idea, but i dont see how to make it work in a space where money amplifies speech, and some types of speeches have been a negative to specific groups of people throughout history.
The obvious long term solution is more education but that requires money, so the obvious short term solution is censorship