So

referees

mostly good but Codjia isn't up to it anymore. There were two arguments for some sort of video refereeing or electronical device, either implemented in the ball or otherwise. Perhaps the referees aren't good enough anymore to see everything, but then they probably never were (1966). The fact that they missed things became clear when more cameras were installed. We, the audience, are the best referees now, but we get to see the replays. Even the people in the stadium are allowed to see the replays, so why isn't the referee? The very person responsible?
FIFA has to change.
You could blame Martin Hansson and his assistant for missing the Brazilian goal, but let's not. Let's blame FIFA and it's dictator Sepp Blatter.

vuvuzela

Yes annoying, but so is booing your own player (why did they do that? Because he is white?). There was talk about doing something against the vuvuzela, but I guess blowing a horn and annoying the rest of the world must be part of the fun, why else go to the stadium if it's not your own team that is playing.....

Brazil

Very sloppy defenders who had no idea (or no interest in) who they were playing against

confederations cup

In this format it will always be New Zealand (losing all their matches), almost always Brazil and Egypt, and most likely Saudi Arabia, Iraq or Japan and Mexico or America. With viewers from those countries and people who have nothing better to do.