While that scenario is certainly better for American consumers, it's not better for Netflix. Both companies will have to innovate and compete in America, but Braziliflix will essentially get the Brazilian market for free.
That's correct. Note that I never said it was the FCC's job to prevent protectionism in other countries. I was simply answering deciplex's question of how net neutrality could harm the American economy if it were only enforced in the United States.