“Oh, so there is some other person from other party than GOP who will defeat the radical socialist from Chicago in 2012?”
That’s irrelevant. There’s no need to call people “Obama supporters” if they aren’t going to vote for Romney. It’s childish and serves no purpose, since you won’t convince anyone to vote for Romney with that argument anyways. Insulting people is not a valid method to win their support.
Simple math:
You do not vote.
You just failed to nullify an Obama voter.
Example:
Obama receives 101 votes.
Romney receives 100 votes.
You did not vote.
You just helped elect the radical socialist from Chicago.