It's Beyond Me
What is a Board of Directors?
A Board of Directors is a body of elected, or appointed members who jointly oversee the activities of a company or organization.
What is an Executive Committee?
It is a group of Directors appointed to act on behalf of, and within the powers granted to them by, the Board of Directors. Typically it consists of a Chairperson, Vice-chairperson, Secretary, and Treasurer.
... What is so hard to understand and how on earth can this normal organizational structure seem so threatening to some?
It is beyond me...