Context: before you write someone off as as asshole or dick based on one disagreement or opinion of a situation, it might be a good idea to gather some other data points.  A person could say, Derek, I disagree with your assessment, can you explain what you mean?   Relating to the OP, am I defending a driver who acted dangerously, no, but hitting someone's window as they pass is not a good way to address the issue.  It seems Sapphy realizes that, and may in the future shrug it off and keep riding