It is a legal battle as long as the legal system allows it, intentionally or unintentionally. The fact is, the blackmailers only have a case at all because the

It is a legal battle as long as the legal system allows it, intentionally or unintentionally. The fact is, the blackmailers only have a case at all because the law criminalizes private file sharing. Instead of trying to work out how to protect illegal filesharers from being identified and blackmailed with out of scale "damage" threats, we should rather talk about fixing the overreaching copyright, which is imho the root of all those problems.