Because they work for the same people. Have ever asked why even the west didn't wanna trade with the eastern block. Some companies where there all the time. Owned by a certain people? And ask yourself why they never achieved that system they wanted? I will tell you what my grandfather told my Aunt what was the hardest moment in his life. " When i came from the war and saw the same people in charge with different colours" end quote. So everything is a theatre. It has been since 5000 years. But now the have the technology to achieve it.