In trader_4 writes:

But aren't they delivering cable TV services too using that fiber?
If so, how do they do that over the old copper? Not sure what the point
is to getting fiber to within 1/2 mile and then stopping.

It's much easier and cheaper to splice copper wires (even coax)
and terminate it into equipment than doing it with fibre.

So "fiber to the block" is pretty common, and copper the
last 1,000 feet can easily handle all the standard amounts
of required bandwidth

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