Why Do Many Corporate Scandals Happen?

There are many corporate scandals in Japan. Many scandals are also happened by the government. These scandals are happen in the world, too.
I think there were many scandals in the past. People didn't have extend the bad information in their local area, but now people have many methods to inform the bad information to public easily. In addition, we could not get limited information of the scandals by the media only. now we can see many information and opinions in the world.
Now we must be seeing the global democracy has been establishing.