It's nothing to do with diversity. They're simply not seamen anymore. Just look at the terminology they're using. SWO - Surface Warfare Officer. Situational

It's nothing to do with diversity. They're simply not seamen anymore. Just look at the terminology they're using. SWO - Surface Warfare Officer. Situational awareness long since moved from the bridge and the helm, to the Combat Information Center. It doesn't matter what colour, what gender they are. It matters that they're being trained to operate a weapons platform, not to sail a ship.