But WhatsApp is a US company - by compelling them, aren't Facebook's rights being violated? Do US citizens have no legal recourse if the government forces them to betray foreigners?
Individuals do not relinquish their rights if they organize into a company. Or let me put it this way: if Facebook can be compelled, do you think this precedent won't be applied to Bob's Linux Repair Shop?
>Do US citizens* have no legal recourse if the government forces them to betray foreigners?
They do. They can close shop.