Quote Originally Posted by TheMightyMollusk View Post
Cap base classes at level 30. If you want to level higher, get a job stone. Add a popup message in the final class quest to direct people to the next quest to make sure they get the point.

This would also require decoupling summoner and scholar, since they wouldn't share arcanist experience anymore.
Another easy solution is simply to remove the base jobs from every weapon post lvl 30 or 35. Why they were left on there after ARR is pretty ridiculous.