Steven, I offer that the pace of change is too fast when energy expended is greater than gain intended. If he was required to read details and then figure something out, my report had failed. The pace of change, I submit, has little to do with speed. The pace of change being too fast or too slow has to do with understanding. If the principles are clear or if there is a clear display, then change can be very rapid and still effective.
Intelligence is the underlying organisational principle of the universe.