More than good enough evidence in my book. Unedited video, best proof on planet earth.
@FastestLaps - Those SR8 and SR3 SL laps were on slicks too, they need to go.
This is a race driver on slicks doing a qualifying lap.
https://www.youtube.com/watch?v=IxOEIrMjQHQ
https://en.wikipedia.org/wiki/Bradley_Smith
http://www.msvracing.com/media/1082/Radical%20European%20Masters%202015%20-%20Issue%20ONE.pdf