He really doesn't understand tech.
He is trying to stay away from things he doesn't understand.
His generation don't trust computers or anything to do with them.
Yup. He's too old to learn and too old to change. His habits are related to fiat, how could he trust in something he cannot touch?
Instead, we are the "online" generation, that already know that computers can "make money", in various ways.
Also, if we would think like he does, we would not be here.
No, I don't think Buffet is right.