@mekkaokereke @evan @markallerton @ks i have been posting about this on the birdsite re: The List Everyone is Talking About Today.
I think the 20% technical answer needs to give Instance Admins a protocol for sharing moderating, filtering, and discovery policies. Of course, the 80% answer needs to be communities (like hachyderm) to support these measures.
I had not heard of the centralized whitelist/allowlist incident with Mastodon. ActivityPub will need its SpamHaus