Earlier quoted context omitted.
I'm not sure how LLMs/AI couldn't consolidate power. By design, it will move power from the individual to those running the AI systems.
I'm not sure I understand how a hallucinating plagiarism machine that people mostly just use to write their term papers translates into "power" (presumably political power? I don't understand what kind of power we're talking about either).
Of course, similar things could be said about controlling information flow through: social networks, newspapers, printed books, or whatever the town crier shouts in town square. But, each advancement in information dissemination tends to be power concentrating relative to the older tech, and I don't see any reason why this most recent advance won't follow that trend.