Not just a big mistake but a tragic mistake.
he will need 1 full month after London to recover.
That means zero work on fitness and zero work on game.
Nearly zero match play as well going into the Australian open.
Translation: he is extremely highly likely to miss the Australian open.
He is just literally throwing away his chance to make history right in the middle of his prime.
And that is what is tragic.
I agree with everything that you've said. It's pretty silly.