Furthermore, you could still have overarching 'subs' I suppose, but instead of splintering in a million directions, you'd have just the major umbrellas of SPORTS and POLITICS and then the tags and tagchain system could be how they splinter off. I'm just trying to think of how you keep sports news and politics news and gaming news separate when you search news, but maybe you don't, maybe you just blacklist what you don't want to see at you go, and the curation happened naturally over time