Final answer:
Steve's comment about not becoming a mob suggests he values order, rational behavior, and peace when in a group setting, and is aware of the dangers of mob mentality.
Step-by-step explanation:
When Steve comments, "let's not be a mob!", it indicates that he is concerned about the potential for collective violence and the loss of individual responsibility that can occur when crowds form. This shows that Steve values order and reason, and recognizes the importance of maintaining peaceful and non-aggressive behavior in a group setting. His statement reflects an understanding that crowds can easily transition into mob mentality, where rational behavior is replaced by emotional and impulsive reactions.