Based on, Kerzner, Harold. (2013) Project Management: A Systems Approach to Planning, Scheduling, and Controlling, 11th Ed.

Question:

Based on, Kerzner, Harold. (2013) Project Management: A Systems Approach to Planning, Scheduling, and Controlling, 11th Ed. John Wiley & Sons. ISBN 978-1118022276.(Chapter 8, 9, & 16)
How can ethical and unethical behavior affect project and corporate culture?
If a project is managed according to the legal and regulatory environment, does this infer that the project is being managed ethically? Why or why not?