[jasode]

>, I wish someone would take the top 10,000 Google queries and just manually curate them. Hire different interest groups -- outdoors, travel, cuisine, etc. -- and manually find the best hits buried deep in some subreddit. No fancy algorithms, just old-fashioned librarian-style research, but constantly updated with the latest findings and queries.

It's not exactly your specifications but 2007 Mahalo attempted something like that and they shut down after a few years:

https://en.wikipedia.org/wiki/Mahalo.com

The website is no longer there so you have to use Wayback Machine or image search to see what the landing page for Mahalo search UI looked like : https://www.google.com/search?q=%22mahalo.com%22+search&tbm=...