F1 is a sport designed specifically by rich, posh gentlemen, for rich, posh gentlemen. It's a rich man's sport, designed to go faster and harder and push the limits of what we're capable of building under a certain set of rules.
Don't be lulled or fooled, this is not a sport that breeds a message "to the people". Quite the opposite. The two best things we've gotten out of F1 research is hybrid systems and variable timing. The hybrid system barely counts because while they used KERS to produce acceleration through the corners, we got an electric motor to keep the engine idling, not to mention it went in to production cars a decade after F1 adopted the practice. It is only now that we see electric motors being used in this way on production cars, and the ones I speak of, e-tron and 918 spyder, are far out of anyone's price range.
So what do I think of Audi stepping in to F1? Cultural suicide. This is a company bred in sport, literally pouring money in to destroyed cars and drivers simply to build a better car for the average customer, entering F1 is the opposite of this.
Quattro, FSI, TDI, manufacturing innovations, LED lighting, and now the e-tron and even the cameras that work as mirrors. All tech developed through Audi Sport that hit "shelves" within a couple of years of their testing on the track. Innovations that have broken records, taken trophies, and lasted decades in the form of "your families 20 year old sedan". All to be thrown away, cast in to the shadows, and for what? A running against Ferrari?
Please. Let Lamborghini take care of that, in the production race.