I think he means that the engine, transmission, and frame are the same, not necessarily the body.

Also, I don’t think you two really disagree with each other, as his first comment was:

The big one is a work truck and should not be driven as a commuter. It really shouldn’t be allowed on roads where cargo trucks aren’t allowed.

The horrible sightlines of modern pickups is a different issue, and I was actually going to post that same chart in this thread because I was thinking of it too. I will add that the pickup is about the same size as the tank, though, and has a worse view.