HN being focused on tech allows it to be somewhat like a streamlined forum section with clear and implemented moderation guidelines. Without any of the other f

HN being focused on tech allows it to be somewhat like a streamlined forum section with clear and implemented moderation guidelines. Without any of the other fluff/crud. I.e, Facebook could work similarly if it was just private/public groups run by group admins/moderators. (except it kills their ad model) Twitter could work similarly if there was no pure 'public' thread and everything had to sit under a topic or group. (except it kills their ad model) - or it switches to having business/personal accounts, where business accounts can broadcast yet personal accounts must be in a group/topic or responding to a business post. In other other words, I think one big issue is the "I can post whatever to everyone any time" in no particular topic or group or category, and the money that chaos can bring.