Here is some early Star Trek review by Confused Matthew and his brother(i think) Stand In Stan. They do have some good point regarding Nero actions in the past being simply asinine.
part 1:
http://www.youtube.com/watch?v=ZsI7Mhu1G94&feature=response_watch
part 2:
http://www.youtube.com/watch?v=k1WkVg3v9YQ&feature=related
part 3:
http://www.youtube.com/watch?v=QO5uXUcbmPw&feature=related
part 1:
http://www.youtube.com/watch?v=ZsI7Mhu1G94&feature=response_watch
part 2:
http://www.youtube.com/watch?v=k1WkVg3v9YQ&feature=related
part 3:
http://www.youtube.com/watch?v=QO5uXUcbmPw&feature=related
Also, he obviously paid no attention to any of the dialogue which makes it pretty clear that Nero does not go "I'll go back in time to destroy every planet in the Federation".... If you review, pay attention first!