This would put a rapidly growing industry out of biz (the online movie rentals, etc). Many people just wouldn't use the service. I believe even if the populace didn't put major pressure on ISP's not to do this, various industries would.
At the very least, there would be one or two national ISP's who would not adopt this model, and take major market share I bet.
At the very least, there would be one or two national ISP's who would not adopt this model, and take major market share I bet.