A render tells you what a scene looks like from one camera. It won’t tell you that three objects share a material, that a light is parented to a rig, or that the building in the background is an instance.
Those details matter as soon as someone asks for a revision. Change the shared material and you may recolour more than the selected object. Move an instance’s source mesh and the whole street changes. A convincing image gives you very little help with either decision.
This is why I want AI tools to inspect the scene as well as the render. “Make the foreground props darker” should first resolve which collection counts as the foreground, then check whether its materials are used elsewhere. The useful output might be a small material override, with the original still available.
Pixels remain useful for judging composition and lighting. The scene graph is useful for making the change. An assistant working in 3D needs both, and should leave me with a scene I can keep editing tomorrow.