Well, I've just read this last page and it really is quite depressing. (And I know that many things on Pprune are quite depressing)
When I left the Met ASU it had just gone through a series of lectures/talks to the BCUs asking/instructing them to call for air assistance on...anything!! I think, to see if they could get there before the event was over. Now, it seems, all that work has gone backwards and ASUs are perhaps actively rejecting calls. As had been previously stated, any series of rejections will lead to 'the customer' finding an alternative means of compliance...i.e. they just wont bother to call anymore.
The alternative you all really do need to watch is legislation to allow more of the dreaded Drones being carried in many or all cars!
That would be out of every/anyone's control.