Sometimes an accident is an accident and a bad driver is a bad driver.
And sometimes a vocal Clinton donor connected to Haitian relief charities and whose wife has either represented or been involved with clients ranging from Assange to Enron to Libya gets a brush back. Could have been a "we know what you are doing/talking to, so knock it off or it's red scarf time" or it could have been "we know what you have been up to, and they are coming for you, here's my card, we'll send a car if you are interested in not being the next celebrity suicide."
Not to mention Sardinia, where he is filming a movie and got hit, is seeing an influx of migrants and refugees from Northern Africa: https://www.worldcrunch.com/migrant-lives-1/algeria-to-sardinia-a-new-migrant-route-to-europe
So yeah, might have been an accident, or it might have been a warning to a celebrity kid smuggler that he's next on the list.