Pretty sure all the piracy communities I’ve seen have rules about not directly linking to any infringing content. Mainly its piracy discussions.
Here is a whole ass post from the admin of this instance about not directly linking: https://lemmy.dbzer0.com/post/18438
This post is linked under the main rules of this community, Rule 3. Don’t request of link to specific pirated titles.
Meaning this is a joke of a line of reasoning, you’re not “protecting” anyone by limiting discussion.
Lemmy.world is hosted in the Netherlands, which are notorious for going after people just for “promoting” piracy. They don’t care if you’re actually breaking the law, they will just make your life hard. And that’s not something I’d want to deal with in addition to hosting a free service.