They put their hands on their heads in mock surprise as a joke, just to make people think that Beane was saying something shocking. But it was just a joke.
Hey, I wouldn't be mad if Kupp was on our team. He is a great player, when healthy. But it would sure shake up the receiver room. Shakir is in that slot role, and Kupp is a slot player. Still, you can never have enough weapons.
But I don't see it happening.