The Labour Party’s national broadband policy isn’t looking so stupid now.
In my personal experience dealing with e.g. HMRC, local councils etc does not offer me much confidence on that front.
The only benefit I can see personally is that there might be less room for error if there's less need for changes as people move in and out of properties.
1. You have more money to run the network.
2. No billing, sales etc. The bulk of most customer service departments.
3. Everyone is already connected.