As far as getting photos of everything they pass that is incorrect. In fact a dodgy RWC is not much harder to write out now then before. If i were writing out a dodgy rwc (which i don't) i would avoid taking photos of the modifications. Then as before you still have the argument that it was modified after it left the rwc check. RWC testers are only encouraged to take photos of things you believe may be modified after the car leaves.
If in Kierans case i was doing a rwc i would probably put standard wheels on it. Take one photo of the car on the hoist, one photo of the standard wheel (on the rear where he has standard brakes), one of the odometer, one of the vin stamped into the body and one of the rego label. Showing no proof of the Mods. As the car is registered already (i think) you would not have to visit vic roads for an inspection anyway.
The new photo system has got everyone scared but in practice its no worse than before.
In saying that you still need to find someone who is willing to risk their and their business licence.