I admit I have preconceived notions of certain people, groups, or ethnicities. Doesn't mean I hate em, I just have my guard up.
Unfortunately you had a less than stellar experience.
Brazillians are a proud and passionate culture. I believe they abide by the adagio of "giving respects to get respects." Which means you may have given off a different vibe. My advice is to play it koo. If it's unprovoked then it could be an isolated incident.
You have travel the world to see in your own eyes before you pass judgement.
Brazillians saving Dolphins. Hardly a nasty culture.
Marcus Aurelius: Tell me again, Maximus, why are we here?
Maximus: For the glory of the Empire, sire.
Baked, not fried... the healthy choice.