Bruce gurgled happily, sounding much like they were
saying:

I didn't get asked when they chose to use aluminium instead of copper to
our local exchange. The cost of _replacing_ it is high; the cost of
doing it right in the first place would not have been.

They didn't know that at the time.

Much of Milton Keynes was wired with aluminium, and this apparently
restricts broadband speeds quite severely.

Which is why MK is working towards city-wide(ish) WiMax broadband.