He had a long history in academics and the sciences before he was ever confined to a wheelchair. So he has a history of being brilliant long before his health went really downhill. And he wrote books and papers by using a computer that would track his eye movements near the end of his life, and could then pick out the letters he was tracking with his eyes.
Your line of logic could be essentially said about anything you don't strictly see occur with your own eyes and ears, so basically everything in existence except the room you're currently in. It makes for a pretty weak argument on the whole.
He had a long history in academics and the sciences before he was ever confined to a wheelchair. So he has a history of being brilliant long before his health went really downhill. And he wrote books and papers by using a computer that would track his eye movements near the end of his life, and could then pick out the letters he was tracking with his eyes.
Your line of logic could be essentially said about anything you don't strictly see occur with your own eyes and ears, so basically everything in existence except the room you're currently in. It makes for a pretty weak argument on the whole.
...That's...the point.
It's a parody of atheist arguments.