Here's why it's not helpful to categorize them as "nice" or "mean":
* They act based on instinct and survival: Monkeys behave according to their needs and the environment they live in. They might seem aggressive if they feel threatened or are competing for resources.
* Social behavior varies: Different monkey species have different social structures. Some are more tolerant, others more territorial. Even within the same species, individual personalities vary.
* We can't anthropomorphize them: Attributing human emotions like "niceness" or "meanness" to monkeys simplifies their behavior.
Instead of thinking about them as "nice" or "mean," it's more accurate to understand them as:
* Complex social creatures: They have their own hierarchy, communication, and social interactions.
* Capable of a range of behaviors: They can be playful, protective, aggressive, curious, and many other things.
* Worthy of respect and understanding: As wild animals, they deserve our respect and appreciation, but also a safe distance.
It's important to remember that observing monkeys in their natural habitat or in a zoo setting can provide valuable insight into their behavior. But, generalizing their behavior as "nice" or "mean" is a misrepresentation of their complex nature.