He's one of those "the moon landings were faked" kooks.
They make the MIHOP/LIHOP crowd look sane by comparison.
This is not really an exaggeration - but when I lived in Ireland, I met only a handful of people who believed the moon landings were real. Scary stuff.
Some of these conspirialists are loud enough that they get actual public exposure. They should get no press at all.
Buzz gave the guy a “Ralph Kramden” moment - “Bang, Zoom, Off to the Moon”.