As a user I find this section very intriguing. ************************* "Can WhatsApp work with law enforcement without traceability? WhatsApp respects the important work law enforcement does to keep people safe. Our dedicated team reviews and responds to valid law enforcement requests. We respond to valid requests by providing the limited categories of information available to us, consistent with applicable law and…
It sounds like fancy talk for "we don't share the content, we just share the metadata." Or in this case, "we encrypt the content, but we don't encrypt the metadata" Of course, the metadata has always been more valuable than the exact content of your message, but it's always presented as a negligible detail.
If you're doing something sensitive, like smuggling drugs or talking to NSA whistleblowers, the difference between metadata vs data is the difference between "the government is looking for an excuse to put you in jail" vs "the government gets a conviction".