This is absolutely the right answer. Children do not typically have the requisite life experience, responsibility, or self restraint to be relied upon not to fuck each other if the parents and teachers of said children do not instill a healthy fear of the consequences or at least keep an eye on the little bastards.
I became a father at the ripe old age of 16. It was a mistake that could have ruined our lives. It didn't because her parents had some semblance of intelligence and helped her through the situation. But it so easily could have. Not that I regret having created that life. Not at all.
It's complicated.