There's so many choices for viewers now, if it doesn't work they (we) will be somewhere else.
I'm cautious about Chibnall anyway, but as a lifelong fan I WANT this to be good.
Asked if this approach were possible, he replied “yes”, adding that "what the BBC was after was risk and boldness” when they approached him for the job.
Not really happy about that. Risk and boldness means (to me) they want to look big in front of other TV people. "Look at us! We're risk takers!"
So go commission some more, radically different shows. Win some awards for breaking new ground.
But do it somewhere else.