You're "forced" to leave in an environment with a certain structure (architecture, infrastructure) under a certain set of laws. Adding a non-damaging, mind altering temporary experience that opens people to multiple alternative thinking perspectives instead of the single one they are stuck in would be a minor addition to their already controlled and artificial environment.
Take going to primary school: sure, a minority of people are attracted on their own to rational critical learning, and would've learned on their own. But for most of us, being forced to go to school helped us immensely in our life evolution...
And going to school is a much more traumatic and permanently mind altering experience than what I suggested...
"Adding a non-damaging, mind altering temporary experience" do you have evidence that psychedelic drugs are always non-damaging? With regards, someone who has a psychotic spectrum illness.
Take going to primary school: sure, a minority of people are attracted on their own to rational critical learning, and would've learned on their own. But for most of us, being forced to go to school helped us immensely in our life evolution...
And going to school is a much more traumatic and permanently mind altering experience than what I suggested...