Why do organizations need official compliance programs? Don't we all know that we should act honestly and ethically in our interactions?

There are many factors that impact the success of a compliance program, including the following:

Fairness of the program

Whether ethical behavior is rewarded

Leadership

Consistency between what a company says and does

Openness to discussions about ethical issues$/$matters

Of the five factors listed above, which one do you feel is the most critical to success, and why?

$3.$ Why is the perception of the employee around organizational ethics so important?