The appeal by Lewis to a transcendent universal standard creates the space required for a democratic approach to education reform. If the standard is universal, every person has some idea of what it might look like and can participate in the process of building a new system. On the other hand, if the standard is arbitrary, then only those with power, authority, and credentials have the ability to propose changes for reasons only they can understand.
If I am new to writing, it will be difficult for me to make a value statement about the quality of one author or another. On the other hand, I will quickly be able to discern my feelings toward that author. Perhaps the function of human-centered learning is not to dismiss either sort of observation, but rather to help the individual recognize where each one is valuable in the process of education.