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There are reliable nonsurgical ways to lose weight long term.

https://pubmed.ncbi.nlm.nih.gov/23859104/ just the abstract, but basically most people can't sustain a 5 % loss over 3 years with most regaining the weight and some adding additional weight.

Even the studies that claim long term success have to use shorter time-frames:

https://ajcn.nutrition.org/article/S0002-9165(23)29536-2/fulltext

The above one defines successful long term weight loss as 10% reduction after one year with about a 20% success rate. To put this in perspective, a 300 pound person in a weight loss success if they get to 270 and stay there for a year.

To maintain their weight loss, members report engaging in high levels of physical activity (≈1 h/d), eating a low-calorie, low-fat diet, eating breakfast regularly, self-monitoring weight, and maintaining a consistent eating pattern across weekdays and weekends.

An hour of physical activity every single day on a reduced calorie diet sounds miserable. That's your life, it revolves around finding time to both do an hour of serious exercise and planning what you eat.

Only replies with citations from reputable journals will be taken seriously. The plural of anecdote is not data.