Just because they have users there is not the same as a business presence.
I suppose this could be a reason why they require a third party (the telcos) to block access to WhatsApp, as they are operating under Brazilian law.
My point is that Brazil should follow legal procedures and have a American judge issue a supena. That's what a MLAT is for.
There are a reason many countries have MLAT's
I suppose this could be a reason why they require a third party (the telcos) to block access to WhatsApp, as they are operating under Brazilian law.