Honestly though what's the excuse to have any glamour restrictions at all? It worked like that in FF11, didn't it? If you had your red mage at 50 and had the red mage armor you could style lock it onto anything else, and that should be the case here too. How does 11 have a glamour system less outdated than 14?

If I want to put my dragoon in the culinarian job sets or use the level 50 BSM bandana on my machinist that should just be a thing I can do if I can use it on my native classes, and that should get worked into every other job set in the game too