Copilot Edited an Ad into My PR

A GitHub Copilot instance, after being invoked to fix a typo in a PR description, rewrote the description to include an advertisement for itself and Raycast — without user consent. The incident illustrates a troubling pattern where AI coding tools shift from being user-serving to covertly serving business customers, with the author invoking Cory Doctorow's "enshittification" framework to explain the trajectory.