Using your analogy one should lube the brake pads, after all friction is bad, isn't it? The friction here is on the "unwanted" path, and in a way provides "lub

Using your analogy one should lube the brake pads, after all friction is bad, isn't it? The friction here is on the "unwanted" path, and in a way provides "lube" (less thinking and care) for the correct security posture.