This is so good I feel the need of framing it!
You just described Lord Of The Flies.
Be mindful of fundamental human nature and how it shapes everything we do, including all our social constructs. Few people are, which make mindlessness the dominant modus operandi.
https://en.wikipedia.org/wiki/The_Man_Who_Mistook_His_Wife_f...
Especially when real life instances of groups of young children being stranded without adult help exist and play out in ways directly opposite of the novel’s central thesis.
For example, Star Trek is Roddenberry's idea of a utopia. A benevolent dictator with his happy ship of comrades all rowing together. (But hey, I enjoyed watching it!)
STTNG amps that up even further. It got so heavy-handed with it I lost interest in it.
What is the fundamental human nature in your opinion?