It's not like anything else in terms of drugs, surgery, or lifestyle changes has been proven safe and effective. A person who is dependent on opiates or caffeine or cannabis can possibly live without those substances, you can't go "cold turkey" from food.

Funny I just shot myself with a Zepbound autoinjector for the first time! My primary care doc told me he thought I was a good candidate a year ago but that he had trouble getting insurance to pay for it, it took me a year to get in with a specialist, insurance approved it right away, and now I am supposed to keep a food an exercise log.

I am well in the obese BMI range but I've been active my whole life (e.g. I can't see how people can get through the day without going to the gym or something) so I have a high lean mass and don't look that fat with my clothes on. I've struggled for years with various conditions associated with "metabolic syndrome" and I'm on numerous maintenance medications already and may be able to delete some of them.

I am currently around 250 lbs which has been my usual for the past 20 years or so. Had some luck with Zone, ketogentic and bean plan diets but couldn't stay on any of them indefinitely. Got my weight down to about 208 lb in six months when I quit taking antidepressants at my doctor's suggestion (never went back), had something like a manic episode where I manifested an "evil twin" who was vain highly motivated [1] and worked out like... a maniac and I also discovered I had TMJ dysfunction and took load off my jaw by throwing comically random food (cashews, seaweed, celery, potatoes, carrots, pork, ...) into a pot and grinding it with an immersion blended. Not sustainable, not least because my evil twin's antics got me kicked out of the gym.

[1] as-a-fox one axiom is that "I never push on a string" and have a hierarchy of goals, non-goal goals and non-goals; my non-goal goals are his OKRs