"copying" and "making use of" are not the same thing. Again, I don't see why it's an issue for Bing to analyze and make use of the behavior of Bing toolbar use

"copying" and "making use of" are not the same thing. Again, I don't see why it's an issue for Bing to analyze and make use of the behavior of Bing toolbar users that opted in. So what if their Google search behavior holds good weight as a metric?