Sure. “He’s full of it” is still an option, though. I’d argue it’s the likely one. People have been killed for revealing lesser secrets.
So shouldn't we at least take a look? The Top Story on HN right now is about a finance deal between Uber and Aururo. Pretty sure that even though that one is almost certainly true, it's expected impact on the world relative to this is zero.
https://www.nytimes.com/2020/07/23/us/politics/pentagon-ufo-...