For the movie Barbarians at the Gate

How does this film illustrate how management may not act in the best interests of shareholders?

What can shareholders do if management is not acting in their best interests? How did the film illustrate this?

What did the shareholders get for their willingness to sell their stake in the company? How was this paid for?

The book that the movie was based on is often called the "Best business book ever" by media columnist Jon Friedman. Why do you think that this story resonates with the media columnist as an illustration of business and finance principles?