[hsabcuye] Shallow people

Are there shallow people?  (There seem to be.)

If so, how is the mentality learned?  How is it maintained?  It seems to go against natural human curiosity.  Is it some self-defense or self-preservation of sanity mechanism?  Too much deep thought leads to truths you wish you didn't know.

This might be answerable from interviews.

If not, why do we so often see the appearance of shallow people even though they are not?  What social structures encourage behaving that way?  To what end?

Is it because we lack the communication training to express and discuss deep things?

Revolution, any sort of radical change, is necessarily deep thought.  Promoting shallow people keeps a society under control.