Be grateful, we never know - favor will be returned unkindly.
It is a human attribute to be elated on the status one has gained or accomplished. Along with it, there's a feeling it generates that the status achieved should be compensated with the same effort, experience, and knowledge if one would be accepted for the same work he/she does. For no apparent reason, I find no compelling reason why it should be demanded?
We are living in the information age - meaning there are different channels or ways one can accumulate and learn the things he/she needed to learn. I regarded and appreciated the expertise one has attained during the years of his working exper