People do pay for two streams and expect to watch them anywhere. That has been the de facto way to use netflix ever since its inception and it also goes for other streaming services.
This is the expectation of service. Nobody cares about terms of service.
The pedantic me wants to remind you that the original way to watch Netflix was to have DVDs delivered to your home. That was the original inception. By developing their backend so that streaming on the internet became so ubiquitous, they dug their own grave. All of the studios got to sit back and watch (popcorn included) as Netflix paved the way by doing all of the expensive R&D, find all the gotchas in delivering video to shitty home connections, mobile, etc. Once it was stable and established, all of the studios said thanks, hired people away, and built their own. They then took their ball and went home to their own platforms. Meanwhile, Netflix has pretty much been thrown a haymaker leaving them in standing knockout.
a) No playing content in public in a way that would be interpreted as a public
b) Most (but not necessarily all) of your consumption should be in the same country as your billing address. They seem to implicitly support not just streaming outside of your home, but even outside of your home country:
"You may access Netflix content primarily within the country in which you have established your account and only in geographic locations where we offer our service and have licensed such content."