Yep, I'm sitting on my hands waiting for them to come back begging at this very moment.
I think the real costs of reversing the insourcing may just be being realised.
The CFO who decided this route has, of course, already moved on. I was the last of his reports in place on his arrival to be made redundant/retire. Except for his PA, of course, without whom his incompetence would have been more visible sooner.