The underlying problem is the huge liability which websites face when children use those sites and may interact with adults, or view content their parents do no

The underlying problem is the huge liability which websites face when children use those sites and may interact with adults, or view content their parents do not want them to see. This is what drives ToS to include provisions that say children shouldn't view the site. edit: effectively throwing the responsibility back onto the parents to prevent their children from using the site if it matters, which is where the responsibility belongs