Re: Is it even possible?
If, as we're led to believe, WhatsApp uses end-to-end encryption, how does the judge think anyone can decrypt it?
I suspect that the judge not unreasonably expects a Man in the Middle called Facebook to have access. Wherever those servers live is where they are legally exposed, and WhatsApp was not designed to be safe - crypto was introduced later.
Come to think of it. it's almost as if this judge is attempting a reverse Microsoft vs DoJ - as you do business here, give us access to other stuff you have abroad...