Chinese manufacturing plants that produce Apple products is said to be better than most manufacturing plants worldwide. Why would workers be unhappy? In the passing years there have been worker suicides, unfair working conditions almost slave-like along with a factory explosion.
No answer to these occurrences have been made just theories. Such as the workers suffered from boredom and isolation from others that it built stress and then the action of suicide occurred. Even with high class workspace, there is something lingering amongst the Apple manufacturing plants located in China. That may be an answer that will never hold a conclusion.