It is understandably the correct decision for a state functionary to make.
He is only at 'wrong' if he 'allows' flght incorrectly - there is no incentive for him to make a judgement to allow flights ... even though it is probably ok.
It's a bit like y2k computer issue....
(Nutty but ......... if required corridors could be verified as suitable by flying 'survey flights' - the squirrel with barrier filter could do the job - ready to go now if required....)
After all the 100's of millions of pounds might be worth a few hours in a helicopter...
don't they have atmospheric sampling aircraft?