Writers and speakers use counter claims so that they can counter something if it shows up. If there is an opinion that someone says, that could be counted a claim as long as they use evidence. Then if you disagree, you can use a counterclaim to tell them that you have a different opinion that is backed up by an opinion.
Well, it represents their key of achieving their long term dreams. It can also symbolize Walters greed and the destruction to his own original beliefs.
