I, for one, am one of those people. However, after watching a few minutes of the linked video, I'm convinced (and pleasantly surprised) that Caleb has firm gras

I, for one, am one of those people. However, after watching a few minutes of the linked video, I'm convinced (and pleasantly surprised) that Caleb has firm grasp on his design, and honestly sounds like he was the driving force behind his own particular implementation.