"I was only following Regulations". Valid defence in all but the most egregious circumstances.

The reason Big Government creates agencies like the TGA and EPA isn't to protect us consumers from crooks.

Its to protect (well connected) crooks against being sued by consumers in (possibly sympathetic) courts. Consumers using old-style Common Law Torts - https://en.m.wikipedia.org/wiki/Outline_of_tort_law

Almost anything bad can be actioned as a Tort, and was, before the Administrative State started to encroach, protecting the guilty while showboating and concern-trolling.