This is about as useful as Yuil was - i.e. very. Sure, it turns out to be a little self-serving for the person's employer, but you have to acknowledge the bril

This is about as useful as Yuil was - i.e. very. Sure, it turns out to be a little self-serving for the person's employer, but you have to acknowledge the brilliance of the effort and the fact that the results themselves appear to be on the up-and-up.