How likely is this to occur?
if this was your 2nd, 3rd .. 4th time repeating the offense, then maybe... keep in mind the fine amount is upto the Justice of Peace; if you can show exception circumstances related to your financial stability, you might even get zero fine, or something ridiculously low
i have yet to see a prosecutor threaten with the $1000 fine, they usually threaten with the fine on the offense notice + applicable demerit points
But this was the first time I have seen it happen unless the guy was a ass in court.
I do wish it happened more frequently though.