Re: Who was the priority?
I suggest that the users were never consulted in the first place. The local Police regret losing their private VHF network, that operated independently. You might not have been able to use it for data but it did work.
Airwave never got the PTT function activated and it never talked to the other blue light services, so you could describe it as failed, chances are the ESN will never get it either.
The 4G network becomes the single point of failure, what could possibly go wrong?
Coat, as I'd expect at somepoint a certain national emergency communications organisation will be called out to cover some large scale failure.