For those of us who are bandwith "hogs" and are tech savvy this is meaningless. With the right port forwarding settings in your router, this is easily worked around. The only people that will be affected are the ones who arent savvy enough to adjust said settings.
Are you counting yourself among "tech savvy" people? Current shaping tech is not defeated by merely changing ports. It also looks at protocol signatures in the packets, traffic patterns and other factors.