What was the primary reason the two men were shooting their rifles in the street?

The primary reason for the men shooting their rifles in the street being entertainment aligns with the context of individuals engaging in reckless behavior for personal enjoyment. This kind of action often stems from a desire to have fun or seek thrills in an informal setting. Engaging in shooting as a means of entertainment, especially in a public space, reflects a lack of awareness or consideration for safety and legality, which can lead to dangerous situations.

The other options suggest different motivations that may not accurately capture the underlying reasoning for such an activity. For instance, celebrating freedom may imply a context of liberty that does not directly connect to the act of shooting in a street setting. Attracting attention could be considered as a motivation, but it typically serves as a byproduct of behavior aimed at entertaining oneself. Practicing aim generally involves a more structured and controlled environment rather than a public street, which would not be considered an appropriate location for responsible target practice.