Yeah, I'm reading the link right now, but I fail to see how Jacky can properly control space around his opponent when he barely has any moves which reach more than 2m, and most of those moves aren't particularly good.
Hajin has made a point... Its not all about having the best long-range attacks. You have 6P+K, 4H+K, 6PK, as well as other tools. His main focus is getting in... he isn't Jann Lee.