FathimaH,
As I said, what you saw does not represent all the sad cases.
no one is worried about the successful exceptions of children getting married (at 18, both boys and girls are not yet fully developed), the concerns are for the cases that cause sufferance in those girls who perhaps didn’t know what they were doing or were forced into a miserable life!

Don’t you agree that it’s valid being concerned about those poor girls? Or should we just not care because there are some cases we happen to know that were successful.

You see, our experience and our views of the world may not be sufficient to capture the Whole, all the good we know but also all the very sad and unfortunate cases that we might not know! That is why there are these international humanitarian organizations monitoring and doing their best to contribute to social improvement in the identified critical areas!