It’s pirated because it’s not through official channels and has the DRM removed, including the requirement for the 2K launcher.
As for the rest of your question, so long as I’ve understood that mess properly, it’s the buyer’s problem when companies start taking away the games we’ve paid for becauae they’re hiding behind a license despite never disclosing the purchase had an expiry date or conveniently left out what that date is as time of purchase.