What about turning this logic backwards?

I don't need a guarantee. I want per-mbit prices. Like you pay what you get. Limit the rate by saying: I will pay up to 100mbit for example.

Then the can give you less for less money. But this would not be in their interest anymore.

Plans are for marketing purposes only. Broadband ISPs already typically calculate bandwidth as 1-2 mbps per customer.

Excellent post. I like it better then the one posted here.

Average device age is more than 3 years. Average!

I can buy a used washing machine for cheap. Subscriptions are killing the second hand market, and this is intentional.