... Proving that you can shut people up by being antagonistic and defensive.
Not really...
His open-source projects has lots of users, but no contributors.
He gets angry e-mails frequently, but never once got an e-mail offering help or praising the project.
But that is Brazil for you, asshole jerk behaviour is the default.
His code frequently has english variable names because it is common words used elsewhere, frequently he does not even know the meaningof those words.
So all his code has portuguese comments.
Some people DID get pissed off with him writing portuguese comments, he always reply: "Will you teach me english for free? If you do, I will rewrite comments in english."
Noone ever replied that they would...