Mark Webber of Red Bull Racing feels that driving his car is akin to jailbreaking a phone. The drivers need 100% of their focus on the race, and pushing a button to adjust the rear spoiler can take away from that. Weber isn't alone with these feelings as Rubens Barichello and Nico Rosberg have expressed similar sentiments.
Driving a Forumla One car is one of the most demanding jobs on the planet. It takes levels of concentration far above what the average person expands on another round of Angry Birds. Adding greater levels of sophistication and complexity sounds like it makes the already difficult task of keeping the machine on the road that much harder.
[Source: Crunch Gear]