If he is, likely just a viewer. He would need a thick skin to tolerate the abuse he takes from other "experts" here. I like his youtubes and learn a lot, but many people are offended by anyone treading in their playground. Be careful what tech opinions you express here, especially anything about racing or slant-six engines. But, not as bad as fusses on sites about military history or gun tech. Those playgrounds have a tough crowd which is easily offended.