It’s sad to me to read this because you don’t see that kind of stuff happening in the anglophone world, the British embraced and get along with people using the US English pretty well for example. Too bad the lusophone community as a whole isn’t as united.
Canadians are prickly when they see product labels spelled in the US convention rather than the British/Canadian convention. So much so, that writing in the US convention leads to embarrassment.
Here's a question for Brazilians: the British accent (stereotypical "proper" one) is seen as sexy in the US, so that a British man visiting a bar in the US is sure to pick up lots of ladies. Is the same thing true in Brazil with the Portuguese accent?