At certain age mom doesn't have an authority anymore.
One scientist has always wondered how pre-teen boys stay alive.
Internet time is not new anymore, so young adults are net natives.
Maybe it takes few generations.
Maybe arrogance and immortality of young adult mind prevents learning from books forever.
Maybe knowledge of practices just don't materialize without practical experience.
No practice no skill, it's a given.
But a skill of don't do.