I disagree completely, I think that type of attitude leads to the notion of "Real" Americans. Keeping the ethnic identity is the opposite of the melting pot.
In Brazil, you're just Brazilian, regardless of color.
In Brazil, you're just Brazilian, regardless of color.
Also, as if by magic, 100% of them appear white (or mostly white), despite non-whites making up a large fraction of Brazil's population.
It's absurd to act like everything is great for racial minorities in Brazil.