But thats the point of the article - that at this scale, there is only industrialized moderation possible. They describe 3 models by which this can happen, an

But thats the point of the article - that at this scale, there is only industrialized moderation possible. They describe 3 models by which this can happen, and the type of moderation you describe is classified as "artisanal" or work shop level moderation. And I guarantee, every system has been tried, and found wanting. Because every system which gets anywhere, will attract value and then those who prey on those systems and target the weaknesses of those systems.