Right now, we don't have enough content to justify Jobs. I can see them allowing a Weaver become a specialist in Linen so they can make a special line of Linen attire for level 50 characters though. Adding content in the process. Or add Dragon slayer that unlocks specialist leve or quest lines to kill boss versions of that kind of beast. Kill enough Dodo and you learn their kick that scales to your level? Either and or anything they offer in the term jobs sounds like a plate for additional content though. A new motive to do things.