Simply that we are mirroring the trends in society at any given time smuggling was an issue in the seventies corruption is an issue today and we faithfully reflect those issues.
We're living in a time when parenting is not at all mirroring the way I was parented. For me I just followed my parents around on their errands when they were busy on the phone I was quiet. It's a different kettle of fish these days: They run the house and you listen to their music and you go to their appointments.
The school-boy doesn't force himself to learn his vocabularies and rules altogether at night but knows that be must impress them again in the morning.