https://www.techradar.com/uk/news/world-of-tech/how-the-uk-l...
https://en.wikipedia.org/wiki/Superconducting_Super_Collider
Once you've got that you can replace fibre relatively cheaply. Guess what, BT's labs were well there too. They also invented the tech for blown fibre installation before anyone else.
BT were the world leaders until the Torys thew that away, for who knows why.
IMHO twisted pair copper or coax is nothing more than a slow cludge compared to real fibre.
Still it's not like the current bunch of "classics" graduates have any more forsight, sadly.
We're the only nation to develop launch capability not to use it, for example.
British soldiers had a barely functional, unreliable, rifle for years (the SA80) because the phrase "Buy cheap, buy twice" still hasn't entered the minds of own managing classes.
We are of course also running straight off a cliff soon, thanks to Brexit.
This is true, although the problems were all with the original A1 variant which, from everything I've read and watched, was absolutely an under-designed PoS. The subsequent A2 upgrade programme addressed these issues but it took about a decade longer than it should have done before it was implemented.