Bias in which you judge others by what you are good at?
I think its Professional Ethnocentrism. That is the professional culture of the programmer promoting itself automatically above the culture of the manager and likewise. Judging and comparison is a major problem in all ethnocentric behaviors.

Ethnocentrism is judging another culture solely by the values and standards of one's own culture. Ethnocentric individuals judge other groups relative to their own ethnic group or culture, especially with concern for language, behavior, customs, and religion. These ethnic distinctions and subdivisions serve to define each ethnicity's unique cultural identity. Ethnocentrism may be overt or subtle, and while it is considered a natural proclivity of human psychology, it has developed a generally negative connotation.
...&quot;the technical name for the view of things in which one's own group is the center of everything, and all others are scaled and rated with reference to it.&quot;...

-Wikipedia Ethonocentrism