Is bad management our system can destroy good employee?

Bad management or system cannot destroy a good employee, but could affect the employee.  A good employee will always stand out good in any circumstances. 

Can you define what do you mean by bad system?

However, I have a general answer for your question

My answer is, it depends. 

Your question is very valid, because worrying about bad system becomes nothing compared to worrying about the good people whom might get corrupted because of the bad system.

Why I am saying it depends, because the subject has a dynamic factors which might give different results, ex. if you have a bad flexible system is different than a bad strict system because good people will have a chance to do things in a good ways most of the time, ...etc

I have been studying this subject on my master degree of International Organization Management and the subject was so wide and broad.

never but iffect on countery economey n effect on bussiness 

Management is the art of getting things done. If the Companies management is bad, it will not be able to utilize the full potential of its employee. This will discourage the employees to provide their best and as a result destroy a good employee. 

Bad Management can't ever destroy any good employee. But yes he might feel that the biggest mistake he ever done to join the kind of Management.  He might get a bit demotivated due to not getting as expected. So better to switch rather than wasting Management as well as yours own time....... 

Certainly despite we ask always good employee to adapt them attitude !

it doesn't destroy the employee as an individual, it jsut hender his performance,talent and experience will result in making the employee move to another job , at the end it is the company's loss

Yes in some ways. Managers are supposed to be the liaison between employees and those higher up in the company, the people that bridge the day to day with broader policies and operational goals. They are the ones in charge of making sure that everything continues to run smoothly, both on the business side of things and on a personal level with each employee that works under them.

yes it can do and it is still doing

Yes, bad management can discourage employees and affect overall performance of an organization. Good management promotes kind diplomatic relations in the work place, and motivates the employee to achieve the highest of standards.

yes absolutely destroy the employee