[mindslight]

First, the obvious difference being that none of these students were armed or violently assaulting the driver. Being asked uncomfortable questions while people get in your way is not is not a reason to fear for your life.

Second, each incident has a completely different action that is the focus of criticism. Here, it's the hitting of a person with the car, as that is as far as it got. Whereas with Renee Good, the action being criticized is the subsequent killing - we wouldn't still be talking about Good if she had merely been arrested at some later time. If one of these students had a gun and had shot the university president in response to the vehicular assault/collision, that would be analogous to what was done to Good.