I'd be curious what others have to say about this bias-check experiment, but I'd want to focus more on not what we think so soon, but to examine for text in the article for what it is saying. Less about us and more them - at least at first. For instance, why not spend some time dissecting this looking for the argument:

Laws never have a human being a backbone. Self-control and self-reliance are like healthy muscles; they develop from being exercised.