There's no way that Brazil were going to be allowed to lose the opening game. With the dodgy pen and the disallowed Croatia goal, it is pretty clear they were handed that game on a plate. Since then it has been very fortuitous for them, just scraping past Chile and with a couple of homer refs. Germany didn't give Brazil a chance to invoke any of their jokers in yesterdays match. Funnily, you could see Germany looking at the ref every time they scored, almost expecting to have the goal disallowed.
Fix? No, just a bit of politcal manipulation and a very extreme example of home advantage.