Thanks for pointing this out. I've enjoyed quite a few of Mark's videos over the years. He's clearly smart and talented, but it was unsettling how insanely productive he seemed to be. That sort of thing naturally creeps into my subconscious and not in a healthy way.

He mentions the people he works with but the videos are still presented in a way that makes them feel like a single person production. I should've figured there was more to it than that.