This is very well known information. Sources are easily available on the news source of your choice.
https://www.nationalgeographic.co.uk/animals/2019/11/i-am-sc... https://www.nytimes.com/2013/10/27/magazine/hunting-a-chimp-...
https://www.nationalgeographic.co.uk/animals/2019/11/i-am-sc... https://www.nytimes.com/2013/10/27/magazine/hunting-a-chimp-...
So it doesn't seem that's their natural behavior. So how's that relevant? Oh wait it its, just exactly the opposite of what you said! Nice.
Don't be sad. For grown ups its normal to live with objections. You'll learn.
> How is natural behavior relevant to the discussion
Original post: " Perhaps a particular chimp or gorilla was having a really bad day and just went out looking for a fight." that implies natural behavior.