The interesting question is why it became known in the first place. What is the point of rope? To tie things together, to connect them. Was the rope in the knot able to do this? Of course not. It became revered for its uselessness, and the challenge it presented. Time spent unraveling it was wasted.
This is a species of idolatry, which is what you get when you forget what is real, and what the purpose of your activity actually is. Swords have their uses.