While I presume that a torsion box design is not "new" per se, was Paulk the first one to make a bench in this manner? Asking because I don't know as I'm comparatively new.
But to watch this guy talk about the design with the belief that he came up with it, somehow, on his own is just ridiculous - especially in modern times and presumably a professional woodworker. And to say that "a lot of people" designed the grid with 20mm dog holes (and then on 96mm centers) indicates that he had to have researched the design - unless he just so happened to find a CNC file that created it - which negates his claim of "brilliance". And are we to believe that the use of Valchromat wasn't prompted by Hooked On Wood?
He could have at least said something like: "I went with 96mm because my hole boring machine can't drill narrower than 32mm" - that might be somewhat creative.