Did ballot changes in NH give Hillary 3% points more?

A Stanford professor says changes in the way New Hampshire printed their ballots may have given Hillary 3% more of the vote and that this explains why the results were so unexpected yesterday. I do have to say that I'm getting really tired of reading about how screwed up our elections are. It doesn't take a rocket scientist to read this article and see that the guy could very well have a point - why not just randomize everything?