If this were actually true, the vast majority of publishers would be running torrent sites rather than considering giving money to denuvo.
The reality is that it is an incredibly rare piece of media that benefits from piracy. Like "Game of Thrones is the cultural zeitgeist for five or six years" level of rare.
For the vast majority, it is either background noise or actively detrimental to sales. And is why we see so many pointless multiplayer modes and pre-order incentives.
The other thing that gets referenced is the devs who will say something like "if you are going to buy our game on a key reseller site, just pirate it instead". Which more speaks to how key reseller sites are built around chargebacks using stolen credit cards and exploiting regional pricing in ways that mostly screw over "the global south". As opposed to the idea that piracy will increase full price sales or whatever.
The other blatant bad faith argument that I always love to see is: "I pirate games to try them out. If it is worth playing I'll buy it". Which ignores the ever increasing amount of demos out there, stuff like Steam having incredibly generous return policies, and the reality that is "Well, this is fun but it is more like 40 dollars of fun. I'll play it now and then buy it later when I see it for that price" that TOTALLY happens.
If you're gonna pirate, pirate. But don't pretend it is somehow a moral high ground or that devs should work harder to prevent you from pirating their games but NOT use drm?