Probably everybody who was involved in that operation is now retired or dead. That bit of history is now at least middle-aged (I'd say verging on old, but I've

Probably everybody who was involved in that operation is now retired or dead. That bit of history is now at least middle-aged (I'd say verging on old, but I've recently been informed on HN that what I consider old is middle aged otherwise my fellow olds get sad), we're two generations away, so if we do accept it as proving your point - for how much longer would you accept it as relevant?