None of this is shocking: If you run a commercial communications service, it's your responsibility to comply with legitimate wiretap warrants. As the judge said, setting up your system in such as way as to make tailored compliance extremely difficult or impossible doesn't release you from that requirement.
The question I'd love to ask the heads of these various agencies. In what circumstance does the 4th amendment apply? Seems like we always ask 'is this current procedure justified' with some inevitable pretext found.
I would also note that it seems incredibly clear that Ladar Levison knew what was at stake: for himself, for Snowden, for his company, and for his users. His decision to shutter his doors was his last option to protect their 4th amendment rights and I'm absolutely amazed he made the right call here.
Kudos to a brave man.
But I understand that you wouldn't worry if your users have no privacy expectations. Your business wouldn't be affected.