That would be damage control doing their thing. First response to leaking is defamation and denigration - make the source look like a complete and utter tool, like an idiot, like someone who doesn't know what they're talking about.

I for one can vouch that much of what he's said harks true, from the horror stories a friend who serves on these boats has told over the years - apparently being a submariner mostly comprises wading around in (occasionally electrified) sewage with a headache, waiting for something to catch fire or break.