I love reading about this shit, but I've never seen a group of people able to talk for hours without actually giving any real solid details at all. Well, maybe politicians.
That last video is a perfect example. What are the first questions you would have if someone said "I saw an alien" or "there are 4 different alien species"? Hmmmm, maybe what do they look like, what did the ship look like, how did they communicate, where did this happen?????
But instead it's hours of telling you why they can't say anything.