https://www.casa.gov.au/standard-pag...rcraft-systems
If this is the NPRM you are talking about Duck Pilot then I do not see any major changes and as you say, the sub 2kg category for private use is unchanged.
The drone manufactures should be locking their software down to prevent idiots flying them near airports, above 400 ft, at night, etc.
The manufacturer is often the pilot who assembled a kit from parts bought either in Australia or from overseas. Both completely legal. Difficult to regulate. Then again no different to model aircraft and helicopters for the last thirty years. People seem to get bent out of shape to an irrational level when a "drone" is involved.