It's how Manu's feelings are being described in that moment. A normal game of hide-and-seek is fun and makes you happy. Manu is crying and weeping. Also when Rhagu catches up with him the way his satisfaction is described "icking the beads of perspiration off his upper lip, and then stalked off in search of worthier prey". That is not a normal response to an everyday game. They also describe the people who are hiding as "prey". Even Ravi is terrified. He feels "exposed" almost like an animal and he is described as looking around frightened.
If this is an opinion question- I think the most important part of being human is the feelings and interactions we have with each other. Positive interactions increase my belief in the good of humanity.
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Because people always argue over stuff and to solve the conflict people have to come together and talk it out