It's a form of doublespeak. Simply put it's a method to overwhelm an audience with technical and "jargonese" words.
The lengthy case hearing was filled with so much bureaucratic gobbledygook that it was challenging to distinguish the actual meaning behind the testimony and legal arguments.
Example of the use of bureaucratic gobbledygook in a sentence: "Please be advised that a comprehensive review of the organizational structure is currently underway to enhance synergy and promote a culture of continuous improvement."