Hey! I would love to do it like that but the problem is the scenes are images of renders. There's no real-time cause-effect possible in this game because of how Ren'py engine operates. It
can be possible but it would be too taxing on resource and time. I would want these changes to affect/block/influence other scenes and dialogue too, but that is something I am planning to do after the game has massive amount of content, so that I can start polishing the game and don't feel the need to prioritise content.
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
So the answer is simply, it would take too much time to make it so that each modification affects pre-existing scenes.