There are many large torrent uploaders, some of which are labeled as "VIP" or "Trusted", and so on, with many typesetters and good reviews. How likely is it that your software is malicious with an evasive rootkit? After all, they are reverse engineers.
What else can these uploaders benefit from if they crack software and make it available to thousands of users for free? Why worry about it at all and risk being caught? Do they only do it for the glory and the reputation?