Probably not. The MPAA knows how to well form a notice for this, the fact that they didn't in this case doesn't mean they won't in the future.

Expecting Google, GitHub, or anyone else to protect you when you are writing an app/service like popcorn time is dumb. But that is a different argument than the one being made here.

The question here was whether ISP's or hosting services can ever push back. They can.