This just isn't true. The entertainment angle was not at all why the judge threw out the case. It was because they felt Telsa's claims were vague and that people understand that cars perform differently under different circumstances:
Interesting, after it blew up I could swear I'd read that one of the arguments the TG legal team used was "It's all done for entertainment, the situations we place cars are in are completely unrealistic".
http://transmission.blogs.topgear.com/2012/02/23/tesla-libel...