He didn't say anything about artwork, he's just making the point that the 'connecting tissue' as it relates to the story framework has far more depth in terms of Larian's BG3 than the original ideaology in Black Hound....or so I'm assuming.
Sorry, I read something like "you can check out screen shots". Maybe I missunderstood
I don't really think anyone was waiting a story that is the rest of the original story.