> without a hook that makes the platform exceptional (innovative/clever/beautiful design, unique aggregation features, inherently interesting content, reimagined user/content/moderation dynamics etc etc), this kind of thing is dead in the water because it lacks a network effect
I think the ONLY value any of these these have is network effect. All those other things you listed are either irrelevant or come after the network effects kick in. The only other important thing is the visual/practical UX.