[Abin Sur]

. . . that is, that UFO’s were real and not figments of people’s imaginations, swamp gas etc.

UFOs are certainly "real" in the sense that they are optical phenomena or misidentified objects in the sky. They're just not Greys, Klingons, or Wookies...

[Quix]

Says you.

. . . a comic book expert.

Impressive.

Given that Kingons and Wookies are fictional characters . . . I’d probably agree on that score.