A Porsche, man!? Sheesh, Keanu. Not only is it poor form to be caught inside one of those things, but Porsches get under 1500 photographers per gallon! That is definitely not the way to deal with that kind of situation. If you're going to nail a 'Razzi here's our recommendation.
Keanu Reloaded !!
A Prius is the stealth-vehicle of choice when side-swiping privacy-infringing parasites. They're quiet, they're fuel-efficient and they don't leave marks. What were you thinking?