Ponybo feels the only reason to fight is self defince according to his survey why do these others fight?

According to Ponybo's survey, others may fight for various reasons beyond self-defense, including the pursuit of power, revenge, or to uphold a sense of justice and protect their communities. Some individuals may be driven by ideological beliefs or loyalty to a cause, while others might engage in combat for personal gain or recognition. Ultimately, the motivations for fighting can be complex and multifaceted, reflecting individual values and circumstances.