I live on the north flight path out of Mascot. Planes regularly come over my place at about 1500 feet and, closer to the airport, much lower. There are increasing instances of big bird drones being purchase direct and off eBay and not accompanied by the CASA safe operation notices. While there are reduced safety factors operating drones further out, in the inner city and close to airports there are safety issues from things like laser pointers, kids motor bikes and the like being operated by young kids, inexperienced adults and lunatics. There are issues with the radio control, mechanicals and battery packs of some of the imports and a simple examination by an untrained layperson is insufficient to provide qualified approval to the operation of every drone.
One is not sure that the purchaser of the hot dog had had any training or even if his drone was fit for purpose but I guess facing a possible $9000 fine might give some of them pause and have them consider whether they really, really should "just do it". There are some really really stupid people out there and they are the ones who don't need or deserve any encouragements.