If you are going to make companies, corporations, actually responsible for the safety of other people's lives, then if they fail in their duty, the only thing to prevent them failing in their duty is the fear that they would be put behind bars.
“You wouldn't want to move if you sat next to me on the bus. Or maybe you would.”
“Playing the good guy is tough because you know as well as I do, in real life, you have to watch your P's and Q's and conduct yourself in a respectable manner if you expect to have friends.”