> Likewise, there are cases where someone has encrypted the only evidence against him, and the State has no right to compel him to decrypt that evidence.

My country does.

> How often is any crime perfect, anyway?

Significantly more often if Apple gets their way, as they provide guarantees backed by the richest company in the world. Taking a photo of your rape victim used to be idiotic and a way to get caught. Now it's a way to keep power over your victim as Apple will protect that photo.