I think it was related to a loss of strength, skill and a centralized place for training. - Edit 1
Before modification by RugbyPlayingAshaman at 25/08/2010 04:47:22 PM
During the Breaking, physical survival trumped esoteric lore that you had neither the skill nor strength in the Power to use. A large proportion of genes were lost to the overall breeding pool, and I think many Talents were lost as a result, as well.