I believe content discover to be a major weakness on Hive since inception. There is nothing to "feed" users information like many other systems, and the search functions have always been weak at helping you find posts you might like. I do think the communities have helped a great deal, but as you said, getting traction for new communities has to be hard as you've indicated. I don't pretend to have any solutions, just an observation from my perspective.
Yes, I understand what you are saying. It is almost a bit of a catch 22 at times. Hopefully we eventually see some growth here.
In Hive... Eventually people will get used to the use of the word "eventually"