You have the accumulated memories of trillions of prior drones, including the ones who built that mess in the first place, so you already know what each cable does and where it goes.
A starship would more similar to a mine than a server room. What if the hydraulics pipe is broken and needs replaced, but the electric line and compressed air hose are tangled around it? Even with perfect knowledge and memory it makes the repair last longer.
Cable management doesn’t matter if:
A starship would more similar to a mine than a server room. What if the hydraulics pipe is broken and needs replaced, but the electric line and compressed air hose are tangled around it? Even with perfect knowledge and memory it makes the repair last longer.
I built the mess under my desk, that doesn't mean I know what the cables do any more.
If you can't maintain it it won't work forever