I presume you accept that it’s possible that we don’t actually have access or footage of the entire series of events
Of course.
But at the point of that still image we can see that there is no one near him or his seemingly undamaged car. He has a clear street behind him, but instead of reversing he is heading straight towards a a large crowd of people with no signs of braking.
Even if his car was under attack at some unseen point prior to that footage, which is possible, at the moment pictured he has escape options and he chose to plough into a crowd instead.
Granted he may be someone like you that thinks the mere suggestion of a punch is a perfectly good reason to run someone over – but most sane people would disagree with that.