We're not talking about the NSA here. We're talking about copyright trolls trying to pick up low-hanging fruit with a dragnet of lawsuit threats. If they can't

We're not talking about the NSA here. We're talking about copyright trolls trying to pick up low-hanging fruit with a dragnet of lawsuit threats. If they can't pick up your information from subpoenaing the ISP that manages the offending IP, then I doubt they'd go to further effort to hunt you down.