Even the 3gb is a hassle in some countries where monopolies or duopolies exist in the broadband internet market.
Proof?
Canada.
Come up north and see for yourself. Base package from one of two main providers (both of which completely control the entire market):
Bell Internet
2mbit Connection
2gb Monthly Download Cap
36.95/month (less if you have any of their other services)
Click Here For Details
Costs per gigabyte from Bell when going over the bandwidth limit?
$2.50 per gigabyte.
The next best plan?
6mbit
25gb Monthly Download Cap
$46.95/month
$2.50 overage charge per gigabyte.