I'll give you a fourth one.

There _are_ signs consistently that something has an understanding of physics and inertia that violate our understanding of such things, which implies our assumptions about distance of things in the universe are wrong.

Those vehicles appearance but lack of most interaction, lack of destruction implies something worse, that we are probably still such a primative civilization we're treated like zoo animals.

These conversations about the last century of the search for alien life in the light of David Grusch's testimony to Congress and the various and numerous UAP videos are.. interesting to say the least.