What's the prevent ISPs from reducing their bandwidth offerings across the board to force people into buying more? My local ISP could triple their prices or sl

What's the prevent ISPs from reducing their bandwidth offerings across the board to force people into buying more? My local ISP could triple their prices or slash their bandwidth offerings and I'd have no choice but to pay it or not have internet. They could - very neutrally - extract very large amounts of money from me because of how valuable internet access is to me. That isn't a neutrality issue, that's a lack-of-alternatives issue, and before Title II is mentioned, the FCC reclassification explicitly specifies that the rate regulation clauses of Title II are subject to forbearance (ie, not applicable).