I mean, 230 doesn't entitle them to immunity to subpeonas for records about which IP address made a comment, and internet providers routinely translate those to

I mean, 230 doesn't entitle them to immunity to subpeonas for records about which IP address made a comment, and internet providers routinely translate those to real identities in response to valid legal requests. But that might work. Maybe they don't keep records. How do you sue defamatory information scrawled on a bathroom wall? Sometimes we don't have records for things. That's life.