Earlier quoted context omitted.
I've never seen a community that was completely open to discussion and where bad ideas disappeared because they were effectively challenged. On the other hand, I've been in several communities where the mods had a clear agenda and the participants were helpless to change it. I'd personally rather the people who are hostile to new ideas or critical thinking have their own communities and that their ability to harm oth…
I agree with most of what you said, but we might be looking at it from different angles. Especially want to zero in on this: >I'd personally rather the people who are hostile to new ideas or critical thinking have their own communities A fact that you don't seem to have in your mind here is that often those people are the majority. So you'll have majorities voting in mods who are hostile to new ideas and critical thi…
I don't think the majority is opposed to critical thinking, although I think most people are bad at it. I also think most people are bad at civil and effective communication, so you may get toxic communities even from well-meaning people.
I'll be interested to see what happens. You may be right that communities will select mods that create echo chambers.
I'm a little more optimistic. Whichever way it goes, I think the ability to experiment (e.g. with weighted or modified voting schemes) with this sort of mechanic is definitely worth pursuing.