"I think the 10-year estimate is too short. It takes at least 10 years to get good at anything, and, alloting for the down time and misguided years he spent, it had to be more like 30 or 40 years… People [i.e. spaz] have way too much time on their hands. They could be learning to play the piano or speak French or sculpt ice"
Considering we are talking about a fictional movie containing a fantasy phenomena, the matter may never be settled to everyone’s satisfaction. Link -Thanks, Liz!