"jury of one's peers" is in reference to "an impartial jury of the State and district wherein the crime shall have been committed" from Article VI (criminal prosecutions) and preserved through Article VII (civil suits). It has been interpreted to mean a broad representation of the population.
The point is that the GP is interpreting "peers" in the academic/social sense, when it never meant this in this context, and the word doesn't actually appear in the Constitution.
