that is because George didn’t live in India
https://www.newsweek.com/monkey-kill-baby-india-drown-water-tank-1667848
https://nypost.com/2021/12/17/rampaging-monkeys-kill-250-dogs-in-india-in-revenge-massacrerampaging-monkeys-kill-250-dogs-in-india-in-revenge-massacre/
Horse puckey. Chimps kill chimps all the time. And Macaques and other species will kill anything.