You can't. The internet has grown in size irreversibly. There is more than eternal september. when you have billion-people "communities" you no longer have community, you have a large mob. In order for discussions to have depth, they need a certain shared framework of understanding and certain level of agreement on the definitions of words; in other words a baseline common culture. The more people are in a community the thinner this common culture gets as only the few common denominators survive. At this point, the discussion can no longer have depth because people will be arguing constantly about definitions and nothing productive will ever occur

The old story about the tower of Babel is true. It seems humanity has faced these moments before. The solution is to separate the bubbles in separate, more cohesive communities. Ideas need such sheltering in order to grow, even if this means they won't blend easily with other ideas.

> Do we ditch them and go back to a literal timeline?

probably doesn't help. look at youtube comments. you can set twitter to timeline it doesnt make a lot of difference