If reddit begins cracking down on protected speech like you'd find in /r/trees and /r/atheism, you've got a point. But when reddit (finally) decides to crack down on something that is plainly not legal speech, you're fear mongering with the best of them.
Further, the legal definition for child pornography is, in many cases, not what people expect. The EFF has a primer that touches on this: https://www.eff.org/issues/bloggers/legal/adult
If reddit begins cracking down on protected speech like you'd find in /r/trees and /r/atheism, you've got a point. But when reddit (finally) decides to crack down on something that is plainly not legal speech, you're fear mongering with the best of them.