I know of a 'top Brazilian designer' who was hired by Google and then quit because they just didn't get it. I can actually see a shade of rationality in 'metri

I know of a 'top Brazilian designer' who was hired by Google and then quit because they just didn't get it. I can actually see a shade of rationality in 'metrics driven design' i.e. 'picking the colour blue' on the web page. Small change in hue = difference. But beyond that - you need to trust your designers. If they are set up with the right philosophy and don't let their aesthetic aspirations get out of hand ... you need them.