Yep. At work we might use services like EC2 and justify it with "I don't want to pay for resources I'm not using, therefore I will use services that offer me us

Yep. At work we might use services like EC2 and justify it with "I don't want to pay for resources I'm not using, therefore I will use services that offer me usage-based pricing. Who wants to go back to the dark ages of being charged by the month for a short-lived server, when I could be charged per minute of usage instead?" And yet, no one can think of any possible justification for implementing a change like this for consumer data usage...