But given the level of expertise which would have supposedly been their target market, wouldn't this have been an ideal environment for security analysts to dev

But given the level of expertise which would have supposedly been their target market, wouldn't this have been an ideal environment for security analysts to develop within? If you buy into the sales pitch, highly trained teams of developers would be properly outfitted with workstations well-suited to roll their own crypto, for development purposes, and then easily test against a wide array of complex scenarios.