Is there a way to verify this is actually Paul Graham writing, not someone else who reenacted it based on the published essay?
Occam's Razor explanation is that he just thought it would be cool to show.
To the contrary, I didn't think the answer to his comment was obvious. I don't claim to have the correct answer. And if that's the tone my comment conveyed, i.e., a dismissive one, then I probably conveyed myself improperly. That was not my intent.