Razor1911 is a “warez scene” group operating outside the law. Distributing cracked software violates copyright laws in most jurisdictions (DMCA in the US, EUCD in Europe). Firaxis Games and 2K invest substantial resources into development; purchasing the game legally ensures continued Linux support.
When you see Sid Meiers Civilization VII Linux-Razor1911 , you might ask: “Can’t I just play the Windows version on Linux using Proton or Wine?” Sid Meiers Civilization VII Linux-Razor1911