putting the company out of business serves no particular purpose: lost jobs, higher prices and shortages for important products.
letting it get off without a penalty establishes a clear moral hazard and makes it hard to compensate victims.
evidently, the line is in the middle. and of course, the military tested these earplugs and said they met spec - so should 3m really bear full liability?
and, even with all this: if 85% of the victims still have normal hearing, don't you think ambulance chasing plays a role here?