Why did SE decide to make the three new classes not require base classes?

[EdwinLi]

I guess I just love the lore, and would hate to see that stripped from the game.

current classes will stay in the agme.

Just future Jobs will not have classes.

Think of Current Classes/Jobs as the Starter Classes/Jobs (basic classes/jobs new players or new characters start out with) while the new Jobs that don't require classes as Advance Jobs (Jobs more accessed by players who have reached farther into the game).