They tried it in a 1968 film called “Wild in the Streets”.
Yep, that was the first thing that came to mind, only they pushed for 14. "Fourteen or fight." Then the voted themselves the rulers over adults.
“They tried it in a 1968 film called Wild in the Streets.”
The full length movie is on youtube. Once you reach age 30 you are removed from society and exiled to a concentration camp where you’re fed a diet of LSD.
https://www.youtube.com/watch?v=vcUv4dAiCkA