As many like to gloat, "let the FREE MARKET DECIDE"
The only part of free market that is not working is the customer's willingness to disconnect services that cost too much. As long as you continue to pay the increases you are reinforcing that the market is accepting the price hike.
Disconnecting Internet these days is like disconnecting electricity or water. It's basically like a basic utility.
And before you respond that there are alternatives, there really aren't in many places. In many areas Comcast has a true monopoly. -- The Comcast Disney Avatar has been retired.