They chose to aim for 95% superfast coverage leaving large chunks of the UK behind. Their lack of investment has also meant this has been a missed opportunity with minimal fibre deployment, in particular a lack of FTTH (fibre to the home).https://twitter.com/StewartMcDonald/status/943379444034621442 …
Almost all contracts across the UK did go to BT. Important to point out though that even then the lack of Government investment drove the deployment approach. They could have gone for a full fibre approach but baulked at the price #hindsight