How people treat their car and what they decide to put on it can give you a quick insight into what they may be like if you meet them face-to-face.
Whether that insight is good or bad depends on the individual and what the additions are. An online group gathered together to discuss what they believed were the biggest signals that a driver was someone to avoid.
For many, having such a sticker automatically signals that you should be avoided at all costs, as one respondent notes how it is similar to people saying that people keep saying that they are a jerk, but they aren’t.
Though the Punisher is an anarchist, many police have decided to take their symbol as a way to represent themselves. It’s this irony that makes people seem like idiots when they, especially police, put it on their cars.