Yes obviously it is not the job of food companies until it is either the law or there is fear of hurting the bottom line: i.e.1)regulation, 2)companies get sued

Yes obviously it is not the job of food companies until it is either the law or there is fear of hurting the bottom line: i.e.1)regulation, 2)companies get sued for damaging the health of consumers. The latter is really really tough to prove, so the former is the path that should be chosen.