DuckDuckGo is a good enough name. Penetrating market share is incredibly difficult in the search market. Microsoft is spending billions of dollars each year marketing Bing to the masses and it still only has about 14% market share. It takes time, technology, and money to break the mindshare of users away from Google Search. DuckDuckGo has the name, they just need the time, technology, and money to market to the mainstream.