I voted in the poll, because it was there, but I will not upvote the post because I don't think it's a good poll. I don't see what there is to be accomplished

I voted in the poll, because it was there, but I will not upvote the post because I don't think it's a good poll. I don't see what there is to be accomplished by this poll. Why do I /need/ to upvote the post?