I'm sure "doctors" used to say the same thing about alcoholics. Just don't drink. Be strong! Replace the bad behavior with good behavior. Being an alcoholic doesn't excuse the individuals, but it does explain the behavior. Being a food addict (or an eating addict really) doesn't excuse my behavior. I own it, and I treat it daily. One of those treatments is WLS. One of those treatments is regular exercise. One of those treatments is a regimented eating plan.
I am addicted to eating. Yes, I can overeat carrots and broccoli. I can overeat salad. WLS will not make that addiction go away.
Not everyone who is fat has an addiction. Not every food addict is fat.
I smoked for 15 years but I was never addicted to nicotine. I just stopped smoking one day. Never jonesed for a cigarette after. Could always take it or leave it. But I don't have the audacity to say that nobody is truly addicted to smoking. I'm lucky.
When it comes to food, I'm not so lucky.