They didn't comply to take down nude videos of former Ronaldo's wife Adriana Cicarelli . (sorry for not providing links to the evidence).
(from http://digg.com/world_news/Brazil_Court_Orders_YouTube_Shut_on_Celeb_Sex_Video )
Enter to win* a free holiday tech gift!
CNET's giving five lucky winners the gift of their choice valued up to $250!