For me, the officer loses credibility and should be disciplined for the following:
This is after the car is cleared from the crowd.
Let's say the protester jumped on the hood of the car (from videos it looks like he leans backward onto the hood before the car drives forward) but let's say he jumped on it.
The officer clears the crowd and stops momentarily. Those that were on the car fall off to the sides, except one. The guy in the black lands on his feet in the front right of the car. The car is stopped for less than a second before turning toward the protester, hitting the him again and speeding away.
To me that's an issue.
Would the protester have moved out of the way? I don't know, but he should have been given the option and not hit with a car and driven away.
The officer shouldn't have veered in his direction, away sure, but not toward.
The officer shouldn't get a pass for that.
Should they get a pass for how they exited the crowd? I lean toward no, but not having the training I don't know how to get out of the situation, I'd need more information. But, the video above is a major issue.