I watched every second, even pausing when I had to run out for a bit. Go re-read the title. I think you are hearing what you want to hear. Seriously, with zero snarkiness. He’s is all over MAYBE, because we can’t say anything for sure. I don’t swear there IS intelligent life out there, but I can’t dismiss the possibility. That would be dumb, because as he says we don’t know enough.
Your “expert” there is just the ant on top of the anthill in Africa somewhere. Sure, he has more degrees than me, but he’s just another ant. I don’t think you realize how little we know about how all this works!