[cryptica]

There is no single true 'human nature'. It depends on social circles. Different environments attract people with different values and characteristics.

It's easy to get caught up in your own social environment and to confuse the nature of the people around you as being representative of human nature in general.

[devoply]

Edge cases like serial killers and murderous world leaders prove there is no such thing as human nature. Human nature is as diverse as all the other life on this planet willing to play any game it can only contained by its technological, social, and political limits. We have figurative dung beetles in terms of people willing to jump into sewers to clean them. We have carnivores and herbivores. and so on...