You would have to consider in game time required and ignore the crafting times. You can set up bulk crafting of stones to get from 1-14 really quickly, then at 14 you can unlock mass crafting to really push those xp rates through the roof. Even though you get less cubits per level, the xp between levels is so much less I would be willing to bet it’s faster to gain cubits on a fresh character. 1 teaching pie doesn’t get you a single level at 50+ but will give greater than enough xp for a level of you are sub 42