Broadchurch - a final review

Truth be told, this is copied from my comments to sensiblecat's posting on Broadchurch. After I posted it, I looked at it and thought that I'd managed to say, in the comments to somebody else, just about everything I'd want to say in a post of my own on the show. So, without further ado and with only a few, minor tweaks...

( Spoiler-free review of Broadchurch's final episode under the cut )