It is surprisingly convincing evidence of a peer state adversary with a huge tech advantage or... something else. I was moved from "no f'ing way do ufos exist", to "wtf.. it actually seems plausible" when reading up on it.
Most of these navy reports involve eye witness accounts of trained and credible pilots.
[1]https://youtu.be/sZoH5jr4P9I
[2]https://sites.fas.harvard.edu/~scidemos/LightOptics/InfraRed...
[1]https://www.google.com/books/edition/Advances_in_Radar_Techn...
IOW, he isn't one of stereotypical, "frothing at the mouth", "true believer", "THEY ARE HERE" ufo cult types that might be fairly easy to dismiss for simple lack of credibility. He could still have been mistaken, or misjudged something, but he at least establishes a certain minimum level of credibility, to my way of thinking.