These traditional cracks don’t require users to disable Windows security features, which makes them quite popular. Catering to this demand, voices38’s output accelerated this summer, resulting in five Denuvo releases on a single day earlier this month. This didn’t go unnoticed at the Denuvo headquarters.
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It's so they can get subpoenas to try and unmask them. They'll get some sort of injunction against the Does, and then when they violate the injunction they can eventually get those subpoenas to get the IPs they used on to post on reddit or wherever.
I'd assume voices38 used Tor, but darknet drug market owners have been unmasked because of sloppy posting many times in the past