Earlier quoted context omitted.
What if the problem is not that society hasn't adjusted to this new space we call the Internet, but that the people in charge of the internet (or rather, the things on it) haven't figured out yet that they still bear some obligation to the rest of the world? To use your example, whether I put up a website or a billboard with defamatory information is irrelevant. We have laws that protect us, which declare that defama…
Except, in this case, the article isn't defamatory. It correctly depicts actions of genuine public interest that happened. The only argument to remove them is that they are old. I'd also note that the website itself is still up, containing the article in its entirety.
Does running an add linking to the article for anyone interested in that person's name count as defamation? And if so, why would it be different if google chose included it prominently amongst the search results?
I'm not entirely convinced that this should count as defamation, but there is room for debate.