Probably people in Korea or even nProtect themselves.
That said, fixing a bug related to software incompatibility with Wine might also benefit other applications (since Wine may behave as “expected” as it runs on Windows). This is why they even tested Audacity to run on Wine even that a native Linux version is available.
Seconding R4, truly have high replayability value due to its unlock system & how every car handles differently. Not to mention the great soundtrack that I never get bored of.