Earlier quoted context omitted.
Your water and electricity utilities most likely also have caps on how much water or electricity you can use before they cut you off. Most utilities cannot just shut you off. Many states have laws that determine when and how. The biggest thing about a utility though is that you pay for usage. If you want to leave your lights on all day, they really don't care as long as you continue to pay your bill. Personally, I do…
$6/Gb on mobile? That would be wonderful compared to, let me check... $20/Mb that I just paid for checking google maps over AT&T roaming when lost in another country. Sigh.
The point is, I think most consumers are fine with metered data if they feel like it's mostly fair.