As others have already said, it is such a shame that it had to end the way it did. Surely his legacy is tarnished by the very real harm that was done by Sonic's shady business practices. Nonetheless, the contributions he made towards the preservation of the Korean proscene were immense and the scene would not be where it is today without him.
As long as there are still people in the community with such drive, passion and love for the game I am sure Brood War will live on for another 20 years