Others weren't breaking the law. That's actually pretty important: our legal system doesn't allow us to seek justice for criminal behavior which wasn't criminal at the time, and mostly that's a good thing.
That's what Superfund is all about, really. Companies have been fined and sued into bankruptcy for breaking regulations that actually existed, though by no means all of the ones that deserved it.
Others weren't breaking the law. That's actually pretty important: our legal system doesn't allow us to seek justice for criminal behavior which wasn't criminal at the time, and mostly that's a good thing.
That's what Superfund is all about, really. Companies have been fined and sued into bankruptcy for breaking regulations that actually existed, though by no means all of the ones that deserved it.