CONCEPT
The Gatekeeping Argument
The characteristic rhetorical move by which established professions defend their jurisdiction against new entrants: the insistence that legitimate practice requires the specific knowledge the profession has historically gated.
The gatekeeping argument is the structural form taken by every professional defense against jurisdictional challenge. When a new technology or new entrant enables competent performance through a path the profession has not sanctioned, established practitioners respond by asserting that the new path produces inferior work—that real competence requires the foundational knowledge their training has always provided. The argument often contains empirical truth: lower-level understanding does frequently produce more robust practitioners. But Abbott's analysis reveals that the argument's function is jurisdictional regardless of its truth value. It converts a description of what produces excellent work into a prescription for who may legitimately perform the work at all, and the prescription is enforced not by the profession's standards but by the institutional infrastructure built around the claim.
In The You On AI Field Guide
The argument appears with remarkable consistency across centuries and professions. University-trained physicians argued that barber-surgeons practicing without humoral theory endangered patients—even though humoral theory was empirically wrong. Lawyers argued that accountants performing