Google copied Overture (AdWords)
Google copied Twitter (Buzz)
Google copied Flickr (Picassa)
Google copied iPhone (Android)
Google copied MapQuest (Maps)
Google copied Yahoo (Finance)
Google copied Alta Viata (Translate)
Google copied AIM/ICQ (Chat)
Google copied Friendster (Orkut)
Now Google are accusing Bing of copying their search results.

Is it wrong to copy from a copycat?

Yes we know that Google just took the ideas and innovated things on their own but still, how can someone who has been accused of stealing ideas accuse someone else?