If I had more than opinion then I would be able to do something with it, like e.g run it in the news.
Concerned member of public shows truth behind Openreach roll-out etc
which would get very different coverage to
Member of public believes Openreach roll-out failing
The coverage that could be gained by publishing evidence of the roll-out stalling would get us lots of coverage and wipe millions off the BT share value. Alas comparing two columns in a spreadsheet is not enough.
I have seen infill happening, but have not tracked it enough to know if this makes up for the lack of new exchanges where FTTC is available to order.
if you have the data, and don't want it going public, then am happy to keep it private, but have not sat down and done it myself. Did in August try to get something automated but got busy with lots of other stuff.