Like the article talks about, surgery to lose weight should only be done when a person's weight is a risk to his or her health or when the weight stops the person from enjoying life. Otherwise, overweight people should focus on the fastest way to lose weight naturally, such as exercise and diet.
The key to losing weight is burning off more calories than you take in. I know it's not as easy as it sounds, but when you focus on that, at least the task seems doable. By the way, I know plenty of people who have had obesity surgery and most of them are better off for having the surgeries.