Can you tell me where I can order that 100 MBPS your "law" promised to me two years ago ?
I live in a small town and my house has only a 4 km long copper line.
There is no reason to believe optic fiber will be delivered to me within 15 years.
The future is already here it's just not very evenly distributed
William Gibson
True.
Some people have fiber available years before others, so the graph is very much an average with wide variation for individuals. Huge numbers of Bitcoin companies will be in locations where high-speed fiber is present. For people with poor internet service there should eventually be an alternative: satellite broadcasting of transactions and blocks, as per Jeff Garzik's bitsats proposal. Start listening from 42 mins (although it is all interesting, Jeff comes in at 24 min):
https://decentralize.fm/shows/episode-21-jeff-garzik