If this is (and remains) true, I would guess that someone will build it and sell it to others. There are enough people out there who will never get above a 1200 — with any amount of studying/coaching — and who would happily pay $2k for a guaranteed 1500+. You wouldn't even need an LLM, really. Just a cellular-enabled laptop that can take screenshots every few seconds and transmit them to a confederate who whispers in your ear. Or to be even less detectable, just faintly displays a letter at the bottom of the screen once the problem has been solved.