Spend on what?There has been but you wont accept if for some reason. It's just another currency but a purely digital one. It's to spend. That is what it is for.
What can you buy with bitcoin?
A house? A yacht? A Pacific Island paradise? A small planet?
There isn't an online shop or in the high street i'm aware of that'll accept bitcoin in this country.
So do you buy bitcoin as you would a government bond for trading on the money markets?