I personally think there's a difference between a random farmer or member of the public witnessing it, and some of the characters here.
I stumbled across this reading about David Fravor, and it piqued my interest because he is pretty credible because he's not a typical "believer" - look him up. Proper military man and Commander of the Black Aces. He didn't really tell anyone about what he saw for years, and seemingly hasn't really made any attempts to monetise himself. He doesn't say that Aliens exist, just that what he saw can't be explained by any understanding he has. There's another guy similar (Ryan Graves) who has a masters degree in physics (or similar, can't find it online) reporting the same thing - unexplainable craft that moves like nothing he's ever seen.
These are not people on the lunatic fringe. The latest, Grusch - who was a highly decorated intelligence officer, says he's been targeted and encouraged to keep quiet and has ruined his career.
It doesn't amount to any confirmation of anything, but it's interesting. Some of the videos officially released by the US Government are bizarre, and nobody seems to be able to explain them adequately. I personally think there is something not like anything we've seen before flying about. Where it's extra-terrestrial or not, is a different question.