Let's see, they sold the Mark I about 40 years ago, were up to the Mark III a decade ago and now there are about a dozen new designs waiting for approval.
So if a company sells a product and many years later, someone else misuses it and kills someone, the original manufacturer is responsible?
These melonthumpers applied the same cost benefit analyst F'n Ford used for the Pinto.
It was a sin & a crime then, this is even worse.