I'm willing to have an open mind about this, but I think some sort of explanation on what samuru is hoping to achieve in distinction from other search engines would be helpful.
Exactly. Doing MVP of a search engine is hard, so it is okay to lack on quality of results initially when you launch. On HN probably. Even DDG is trying to only catch-up.
But to keep the engine running, and keep the hacker interested you should tell what distinction samuru is trying to achieve with its search engine.
And perhaps this query http://www.samuru.com/?q=porn should not be blocked by default, rather provide tools for safe search. Heard of the porn cookie guy? Just copy his footsteps, I'd say.