Ninety per cent of the argument against a higher level coastal corridor can be found here
"Dick has shown over and over again in this thread, he thinks he and his fellow "millionaire businessmen" are a privileged class in Australia and that the rules don't apply to them.
Issues with aircraft instruments or equipment, flight paths, clearances can all just be swept aside by them as "unimportant", and they should be allowed to do whatever they want, whenever they want, and if as a result of their own actions things go pear shaped, they expect the public to get them out of their mess, or they blame someone else for it.
You can't get in the way of a civilian Jetranger that wants a clear, unimpeded path from Terry Hills to his hobby farm north of Williamtown, when ever it suits the pilot! "
In America. as they say envy translates into effort. Here not so.