If you look at the onboard laps of let's say 10 years ago, the buttons on the steering wheel have gradually increased ten fold, yet the majority of the drivers seemed to have adapted to them effortlessly. Are there more accidents happening because of the increase in buttons? No. IMO KERS is just a gimmick in the name of technology, and this adjustable rear wing has all the possibilities of becoming a big FAIL, but these are optional for all teams, and any of the top teams would be foolish not to utilize them, so naturally the drivers HAVE to adapt to them. Also, saying "too much" does sound more like a whinge than an opinion.