Can we now accept that the title of this thread is completely out of date. It is incorrect to state that it "is bonkers" when the fate of the Harrier is already being implemented. There will be no "U-Turn" - and there is no likelihood of a "Stay of Execution."
In the future it may be possible to state (with the benefit of hindsight) that the decision was "Bonkers" - that moment however has not yet arrived.