The Witness suffering from PC piracy

Jonathan Blow has confirmed that The Witness is suffering from high PC piracy, but it is still on track to trounce Braid sales.
The second title from Braid creator Jonathan Blow – The Witness – came out last week on PC and PS4.
Blow has confirmed the gae is on track for a Braid-smashing week one sales performance:
https://twitter.com/statuses/693668210499977216
https://twitter.com/statuses/693668451664007168
https://twitter.com/statuses/693668528314937344
However, that success rate is being hampered by The Witness being top of a “certain” torrent website.
https://twitter.com/statuses/692831051845083137
https://twitter.com/statuses/692832343174877184
Related: Best PS4 Games 2016
Interestingly, Blow admits that he knows when a streamer is using a torrented copy of the game rather than a paid-for version.
https://twitter.com/statuses/693202734703472640
https://twitter.com/statuses/693202768136253442
Whether he is going to do anything about this is unclear as yet, but it’s certainly a horrible way to make sure that Blow’s profits are limited.