> This is a positive for personal privacy and will reduce the potential for abuse, however many types of legitimate and responsible businesses will be affected as well.

I mean, sure. But every day these are open is another day that something dangerous could happen. Letting people use these APIs would only be responsible if there was a guarantee that everyone using the APIs was acting in good faith and could adequately defend against data breaches at Facebook's level, on their own. The latter was never really true and the former has been blown apart by the CA scandal, so good riddance.