Fatigue isn't even a problem. If the Fatigue System is the main reason someone leaves the game, they are a pathetic soul indeed. They don't "Penalize" you for playing Hardcore, they penalize you for playing the same class Hardcore. It is in place to ensure Casual players don't fall too far behind, and to encourage playing other classes. I'm often in Fatigue, and I don't have a problem with it. 10% off of 600 SP isn't exactly gimping my progress. Even 20 or 30% isn't that bad when the SP is high. People just don't like the idea of being held back, even if it is slightly. God forbid you can't grind to 50 in a week.