He didn't say he knew. Did you read what he wrote? He questioned what YOU think you know.
How do you know?
You saying he don't know.
He is a scientist.
What do you do that you are qualified to say he don't know?
1. I read what he wrote.
2. I don't know what he knows or doesn't know. What I know, is what the wise man knows if you understand where I'm coming from.
3. I do nothing that makes me qualified to say he doesn't. I am also aware I would have no evidence to prove a point on this topic one way or the other regardless of my profession or background.
Now in response to you, I have this very rare skill called common sense. Any human being... Scientist, Astrophysicist, or whomever who makes any statement on behalf of, or about what aliens will and won't do, I receive as an OPINION.
His original statement was essentially how egocentric of humans to think that aliens give a shit about us. Essentially that we would be too insignificant based on a number of factors for them to care about what we are doing or us as a species.
My response was essentially how would he know what aliens would be interested in?
I don't give 2 shits that he is a scientist and am not even sure what point you were trying to make or prove by saying that.
I'm certain he knows more than I do, especially on the topic he is speaking on, but are you suggesting that since he is a scientist, he has knowledge of whether or not aliens are interested in humans?
If so, what EVIDENCE or PROOF outside of his opinion can he OR YOU present to prove that aliens would have no interest in humans on Earth?
I'll wait.
If this is a misunderstanding due to how either of us interpreted the original statement, then we can discuss interpretation. But to argue what he might know on the topic simply because he is a scientist sounds kinda ridiculous to me.
I'll continue to wait on the evidence to back up his statement/assumption though.
Respect bro.