Linux has always been an alternative to mainstream operating systems. As Windows and macOS became more rigid and closed over time, a gap emerged. Users wanted an OS that didn’t inflict extensive tracking, telemetry, and bloatware, and Linux gained traction due to this problem. However, gaming has been a Windows-only thing for the last two decades, and it was one of the extremely weak points for Linux. You could switch to it and even use open-source tools for every other task, but gaming didn’t feel the way it performed on Windows.