I think if Arcane Magic was JUST Arcanism, Transfiguration, Mental Magic and Telekinesis it would force everyone to be a lot more creative and would leave the elements to shamans and nature to the druids...
I have a suit with a voice activated armor lock and no one can stop me from spamming my HALO memez. ((Except for the part where its to heavy to practically be worn outside the laboratory environment it was created for.))