Not everyone wants to share large amounts of information so why pay for the privilege?
If you transport large items around the country you buy a big vehicle, if you're on your own and don't carry passengers then a very small economical car is suitable (if that's what you want).
It's horses for courses and everyone needs to work out how they use the internet. Large downloads AND uploads or just downloads.
I personally have a mean download speed of 14mbps and upload of 0.9mbps. More than enough for my occasional picture upload.
Was Eclipse Home Option 1, VM 2Mb & O2 Standard
Now Utility Warehouse (up to 16mbps) via Talk Talk