Hopefully better link

Valve deciding which games they host on their own platform? Isn't that what they're supposed to do?

The moderation activity has increased exponentially the last few weeks, what do you mean specifically?

How do you know there wasn't much harassment?

Except isn't the truth that they experienced harassment from other open-registration instances and in lack of better moderation tools chose to defederate for the time being?

To combine your and @gus suggestions, maybe Fedinauts?

You know what you can do if you want to see that content? Subscribe to that instance or an instance that is federated with it. Easy

Not only that but handing over the sub to people who might be power-hungry and/or abusive. Hard to see a community you've worked for be taken over by those who don't care about it.