Agreed. That's not even getting into just pure spam, which from people like Alex Stamos I've heard is 100-1000x the issue that culture war content moderation is. Once you've accepted that a platform can remove the kind of spam that killed MySpace- or doxing or a DDoS attack, as you say- you're already on the (common sense IMO) road to content moderation. Which again, from 25+ years of the modern Internet, we know is just mandatory to have a useable site