The Dunning-Kruger effect is well known. It is the disproportionate confidence displayed by those who are less competent or less well informed.
Less well known, and more pernicious, is the Dunning-Kruger Effect effect. This is the disproportionate confidence of an academic clique that considers criticism of the clique can only be valid if the critic has read at least a dozen of the clique’s self-indulgent, jargon-filled papers. A clear indication of the Dunning-Kruger Effect effect is the readiness to chant “Dunning-Kruger effect”.