If they'd install it people would use it and more than likely pay for it.
However, a lot of punters have their last 20-30m delivered overhead. AFAIK, BT won't put Fibre in in these places. Other countries can do it so come on BT, get rid of the last bit of copper. If you do that then I'm sure people will open their wallets.
How's about doing some trials? You never know they might be a success.