Forcing an unreasonable price for all broadband providers is an excellent way to prevent any from operating in the area. It seems like people learn this lesson over and over — a market is an efficient way to do demand/price discovery.
Companies will (and have done for decades now) carve up neighborhoods and slowly raise prices as far as they can get away with until they get smacked by regulation (if at all)
Comcast alone is living proof of this
The market is flawed - hence the NYS government is trying to fix the issue that ISPs don't provide a minimum service at a low cost.
NYS is attempting to fix the issues with the market. Companies that don't love their rules can just participate in the regular market. Its pretty simple.