It's not just the startling metamorphosis of Piers Morgan.
His body-snatched transition from being completely and shamelessly wrong on everything, to being completely and ferociously right on the one and only thing that now matters.

It's that...

... his shock-and-awe style exposes the utter failure of supine journalism and absent opposition to hold government to account in recent years.* We had come to accept that failure as normal, a post-truth politics from which there seemed no return.

It's time to return.

* There are many honourable exceptions of course. And in some ways those who have kept the flame alive are the bigger heroes - speaking the truth in a world which has decided to deny reality on a mass scale can be a dangerous choice. I salute them.