Do you honestly believe no pro has brought up issues with the PCs, for example, privately too? Yet it only got fixed when the issue was publicised.
Going public may not be the "best" method, but it's the most effective. Tournament organizers only care about providing a good environment for their players and talent so that they can maintain a good reputation, and it isn't just PGL that have proven time and time again that they won't lift a finger to help unless it's deemed necessary to defend their rep. As soon as that's under threat, though, shit actually gets done.
People will probably forgive all of these oversights if the playoff games happening in the arena have no such issues, but I can easily see stuff remaining the same way as it is now and this major being written into the annals of history as one of, if not, the worst ever.