G'day
Darren, no did not think there was anything sarcastic in your comments. (And I don't bite much anymore too busy and Laurie has my teeth in a jar at his place!!

)
The link I found is similar but does refer to a specific area where there have been some problems and NSW Maritime has had to get involved.
NSW Maritime is run by people who love the waterways and they respect all legit uses of them, including kitesurfing, have always found them to be extremely helpful and co-operative.
Its great that they have put in writing that Sydney Harbour is a no go zone, the bad boy is still going out off Neilsen park, but he will get his soon I reckon.
Flysurfer
No real way of telling how many kiters, but my guess is similar to yours. Last weekend I estimated there were 100+ kiters on Boatany Bay spread between Brighton, Dolls and Kurnell. Count on another 100 or so on the North shore, then the Central coast and Newcastle would have at least a couple of hundred. Rest of NSW at least 200 - 400, so there you have it somewhere <1000?
Cya and
Goodwinds
Steve McCormack