They’ve been here for a very long time. Not as far to travel as folks think ... just from the Moon. But that video is a good cgi fake.
That’s certainly a possibility.
When I was 17,(63 now) I was hunting jackrabbit outside of Yucca Valley and saw a windowless craft going right past me at about 20mph and 100-120 yards away. I wish to this day I had a rifle instead of a shotgun, I would have pinged it to see if it was real.