And that cost falls squarely on the site owner not the comment service. Moderation may be as expensive or as cheap as you make it.
Big Tech is spending a lot of money on it, thousands of people and jobs and algorithms.
If you ask me, it's a fools errand and I hope that they waste their money trying to build a clean Internet.
Reference:
https://www.remarkbox.com/remarkbox-is-now-pay-what-you-can....
