They are a lemmy instance dedicated to the facilitation of piracy, and copyright infringement in general which is illegal. It is by nature in violation of the rules of your instance which prohibit illegal content, therefore it is imperative that you defederate it in accordance with your policies.
Well I am an American and I support American values, so as far as I’m concerned it’s wrong and illegal.
Also isn’t lemmy.world in America? Pretty sure it is since they did remove two of their communites for this very reason: