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.
This wanker’s not a lemmy.world user, but not just that, they made the account just now, maybe for the sole purpose of shitting on an instance
Correct. Trolling, and badly might I add.