But the stated purpose was more benign: they couldn't add "share" buttons that would let you one-click-post "I'm watching House of Cards on Netflix" because they were supposed to have written consent to release that information.
I am OK with Netflix getting permission to build useful features. And I am absolutely OK with Netflix using my anonymized viewing data to, for example, build better content predictors to make my experience with their service better.
The law protected judges with sketchy video rentals from nosy journalists. It has almost nothing to do with protecting Netflix viewers from ISP and government surveillance. This measure deals with the latter.