I didn't misunderstand anything. Your little "network effect", as you have so pretentiously worded it assumes teenagers are only getting on social media for their classmates, not for all the other users on a social media site. You also assume a little government-made dumpster-tier firewall written by peons making $70k like "WebWasher" is going to stop them. It didn't stop me from opening up goatse, meatspin, or 2G1C, so your argument carries no water.

All they need is one classmate similar to most of us here on this site. Someone in their high school who will show them how to use a proxy or a VPN not for cred, not for reward, but just because "fuck it, why not?"