Askari, You are 100% correct in your above post. Despite all the gumflapping, the operations should have been stopped immediately it was discovered that these operations were doing serious damage to the flight strip; end of story.
and they should have been stopped immediately by either:
* Airport Manager (council)
* HARS or
* CASA
All three groups could be guilty of criminal negligence and I think they are all damned lucky that nothing untowards happened!