Well, the initial index was seeded with RSS feeds I follow, which are definitely curated, and I'm still trying to get the discovery code to where I'm satisfied with it, so your impression is unfortunately fairly accurate. :P
That said if there's an area you see underrepresented send me some links to good sites/blogs and I'll index them. (Planning to add a better process for this, but with the site only just now public it wasn't a priority.)
@amin
I tried just one test, which is always the most difficult.
The history of hotels, architecture of hotels, regulation of hotels, hotels slept in by famous people etc. etc. are impossible to probe using a search engine because the first 100,000 pages will try to sell a hotel room.