Well I wouldn't want to be the CoastGuard officials who decided not to implement the previous recomendation of bouyancy.
As per the initial post, several other operators have fitted them and whilst they don't quite look the same, there is a massive difference between risk levels in war time military scenarios and peacwtime leisure activities.
I think the dive boat that burned was the one where they were trying to use that law to limit liability.
In this case, it sounded like all claims had been paid, if I remember right.