Please tell me how this can become a best answer?

http://hk.knowledge.yahoo.com/question/?qid=7007021400351

Please look at answer number 1 and 2. Both were entered before answer number 3, which was picked as the best answer. If this kind of broken gibberish, which is also a sad case of obvious plagiarism, could be selected as the best answer, I really don't think people should spend their time and effort trying to answer questions on this forum.