Dangers of Chatting Online TEENAGERS.

I understand this is a friendship group but it worries me that ypung girls as young as 12 are giving out their cellphone number to people on here even to people who have posts as anon. Do parents not teach their kids the danger of online? Maybe the creators of the app should make it to where when a phone number is typed their account is automatically deleted for their safety. Even I know pedophiles can roam this app looking for naive teenagers yet the teenagers don't even acknowledge that fact because they feel this app is "safe" because its a period app. Though teenagers still give numbers out on other apps. No wonder there is so much kidnappings these days.