The decision is supposed to apply only to users who are not public figures, but of course, most public figures didn't start out as public figures. A politician who was a member of a white supremacist group or defrauded investors at a time when nobody outside of his town knew his name shouldn't be allowed to remove all traces of that information from the Google before running for parliament or prime minister.
To take a recent example from the news, Donald Sterling's racist comments may have gotten him kicked out of the NBA, but his far more egregious crimes - a years-long trail of lawsuits related to housing and employee discrimination - are only now being widely discussed.
Watch: European Court - Google Must Yield on Info
Data security experts have also questioned whether companies can actually really delete the requested information, noting that most search engines keep multiple backups. Viktor Mayer-Schönberger, the Oxford Internet governance expert who is widely viewed as the intellectual godfather of the right to be forgotten, waves this concern away, saying "if you can be deleted from Google's database, i.e., if you carry out a search on yourself and it no longer shows up, it might be in Google's back-up, but if 99 percent of the population don't have access to it you have effectively been deleted."
As I've argued before, the notion that Google could now have access to data that it is preventing the rest of us from seeing isn't exactly comforting. And if you really believe that intelligence and law enforcement agencies won't ensure that they have access to data that's been removed from search results, I've got a data storage center in Southern Utah to sell you.
Read more:
• Explainer: which phone is most vulnerable to malware?
In the end, a well-intentioned idea to give users control over their own data may actually give the powerful access to even more data that's not available to the rest of us.
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Keating is a staff writer at Slate focusing on international news, social science and related topics. He was previously an editor at Foreign Policy magazine.