You can always use communities. They are not bad for finding stuff, there may even be a Trains one now.

I think we need rid of Hive as a means of reward and use the tokens of the niche communities to reward community specific content.

In time, but as well as communities the tribes need to get going again. Are we seeing them rise from the ashes? If they all need a token, then this is where they can start working hand in hand like LEO and STEM who are at the fore-front of all this.

these Hive posts that get the most engagement!

That's because everyone here is into HIVE, it's a common theme and despite the small numbers, people here are quite hardcore about it.