In general, signalling theory says that if you have a good way of proving something and a noisy way of proving something, and you choose the noisy way, that means chances are it's because you couldn't do the good way in the first place.
In general, signalling theory says that if you have a good way of proving something and a noisy way of proving something, and you choose the noisy way, that means chances are it's because you couldn't do the good way in the first place.