yes, girls have internet access but just because they are posting on YWN doesn’t mean they have internet access. It means that they are currently online. maybe their parent is supervising? maybe they don’t have a filter that only allows access to very few websites?
Another point is that you can’t keep your daughter sheltered forever. My parents do not shelter me or my siblings. They allow me to watch movies, have a drink, have an iPhone, internet etc. On the other hand, there is to internet on my phone. I can’t go to the theatre or cinema. I only watch parent approved movies. Girls in my class are watching movies without their parents knowing what they are doing. I don’t feel the need to go behind my parents back because they allow me to do so many things. Of course not everyone is going to agree with this style of parenting, but I find that i am not tempted to look up bad things because they have placed trust in me and i don’t want to break that. They allow me to wears denim skirts. While many girls in my school don’t always ensure that their knees are covered, i do. Why? I don’t feel the desire to go against my parents as they allow me to do so many other things.
I hope this helps!