Because of the power of friendship.

Brazilian clubs = A group of underdog players have the chance to show the world what they are made of. They are playing side by side with their daily bros, camaraderie, shared glory and honor is what move them.
Brazilian national team = group of divas who have no feelings towards teh country choosen by comitee according to financial and advertising decisions. Money is what moves them (and they make more money on their european teams anyway)