What About Mesothelioma Prevention Legal System?

A lot has been said about what mesothelioma is, what mesothelioma lawyers can do and how can mesothelioma victims sue asbestos companies. It has also being explained in great detail what are the benefits for mesothelioma lawyers, the suing process and the amounts a victim can obtain when winning the case. What about asbestos companies? Were they really unaware of this kind of cancer? What about the government? Did it really have no knowledge whatsoever about what was going on? Shouldn