It was never much use to enterprise so never got wide adoption.
It relied on a lot of different hardware and drivers all working nicely together as both client and host, which is a lot more difficult than a WAP-client relationship in practice.
Companies make the stuff, if no one uses it, no market, no money for development or maintenance.
I think you may have misread, the wreck is about 3.8km deep (5 mile or so). It's 690km away from the nearest cost laterally.