In the aftermath of Renault's DSQ, Cyril Abiteboul believes the rules regarding driver aids are "not fit for the purpose of the modern F1 car". Article 27.1, states "the driver must drive the car alone and unaided". According to Abiteboul, this allows too much subjectivity, given the various elements current cars have that inherently assist the driver.
http://classic.autosport.com/news/report.php/id/146789