Search and recommend engine. That looks like the basic components that make YT and TikTok so successful (leaving aside the massive user base).

Without those, we end up with the typical Hive, post it and it disappears forever. We have years of data with stuff nobody can find other than, perhaps, Google which we know only captures a portion of what is posted.

So yeah, adding video is great but if we do not have search or recommend, it is just another bottomless pit of info.