5 points
The most they can really do is block payments, but even then, plenty of people would have access to foreign currency or bitcoin, so it wouldn’t be that effective. Elon’s also the kind of guy to start giving it away for free just to piss off Brazil’s government more.
9 points
They can revoke Starlinks license to operate within the country; then issue arrest warrants for its operators.
The US has an extradition treaty with Brazil.
1 point
6 points
They can shut down the ground stations in Brazil, but they can’t block the laser links. They could also try to jam the signals, but SpaceX now has years of experience working around jamming in a war zone.
4 points