Because newspapers never misquote people or take things out of context. :)
Did it quote Stephen Wolfram as having said that, or just Wolfram? In fact, another source quotes Conrad Wolfram, who is apparently Stephen's brother, as having said that:
http://current.com/items/90053264_googles-search-engine-riva...
I don't think it's the news outlets fault if the founder is making outlandish claims.