I think you are refering to "
let's examine hitman" video he made. I don't agree at all. What he is doing in is video is that he is talking about the weak point of his game and use hitman to show how that game will solve it,
AND how they do not apply to his game, and his take on these problem.
https://www.youtube.com/watch?v=tNaM97tgHUM? The video in question.
I really don't feel like he is winging it at all, he has a very clear focus on all his video, and he is trying to solve problem and experiment with another. Even the lore is trying to make gameplay more apparent by justifying them as organically as possible (explaining why you and other character do stuff and why they can do it). IN fact he made a new video talking about just that:
https://www.youtube.com/watch?v=NNdN0CjqhTw?It was always a stealth game in a social environement, like hitman, since the beginning. The video shift from killing target, to the environement of killing the target, which is normal because once you have the interaction you need to have element of design to make level and have challenge.
I mean the hitman video is from 2016, the new video is from 2018, in two years he is still saying the exact same thing.
The only moment where it seems he was adding unnecessary things is with the city and even that he was plainly saying he was evaluating because it wasn't sure it could benefit the game. And he remove it long ago, despite it being part of the original vision. I feel like people who like at this and say he wing it don't really understand game design and the creative process. It's not like you one thing after another linearly, you set hypothesis, test them, and if they fail you move to the next experiment, until you solved all the problem.
For example it's Obvious Osana isn't implemented yet because he has a huge level design problem, which he has addressed in almost all this video directly or indirectly (
https://www.youtube.com/watch?v=LDh2h1YRbhc? ), and explain what the problem is and how he will solve it. Here is someone analysis of this particular case:
https://www.youtube.com/watch?v=HWKGMOS61X4?I have never see him changing the game style at all. People are just reacting to what's presented, and the scope unveil itself over time.
...
He split with tiny build due to the handling of code and the progress on the game, but the details are not really known, there si a lot of speculation thrown around, after trying to look at the evidence I'm not sure we should gave them credit.