The example is a bit contrived. That doesn't change that there are a number of scenarios where you want to be able to have granularity. You don't necessarily want to pay 24/7 for low latency for video calls, bandwidth to stream a VR movie or software updates to run at night.

The ISP game isn't exactly fair as is. The average person have to get a fast connection just so they can get decent access to the services they are already paying for or that is monetizing them.