With the release of the cannon shooter, it proives my theory!

There's tons of classes they could be making. It's true there are 9 "gaps" of classes, but that doesn't necessairely mean they're going to fill those gaps. Nothing stops them from making a whole new branch of classes with yet another mage. That's what happened with the resistance. Everybody expected them to finish off the legends. And certainly noone predicted them to make another mage, since there were so many mages allready, still they did.

The only way his theory could be truly "proven" is if the next eight jobs each fall into the blanks he has presented.

qft