I wholeheartedly and emphatically concur with your succinct summation of this particular phenomenon. It is exceptionally unfortunate when superfluous verbosity is incorporated into a person’s conversational and/or literary repertoire, for no discernible purpose other than the maintenance of a faade of intellectual credibility.
Query: Does this elitizing of vocabularization promulgate, mitigate, or instigate socio-professional advancement?