The Russians were barely able to slow down Facebook back in 2009. Unless someone on 4chan has a bigger botnet and just decided for lulz to DDoS Facebook, 4chan

The Russians were barely able to slow down Facebook back in 2009. Unless someone on 4chan has a bigger botnet and just decided for lulz to DDoS Facebook, 4chan would not even come close to generating enough traffic to register on the #2 website on the Internet.