Well, there's are problems at different levels.
I agree with the professor. People who eat themselves litterally to death, are troubled people. Man is NOT supposed to be this fat. And it's not like you have to work out 3 times a week and watch your diet like a hawk to avoid this situation. No, these people are simply heading for disaster and they make every effort to stay on that course.
It also amazes me that, allthough they can't get around by themselves, there's always some "kind soul" who brings them the food.
That's one part of the problem.
The other part is in the medical community. We've established that these people are sick in the head. But the docter apparantly is the only one not to notice. His advice: diet.
First off, this advice is wrong. It's as wrong as advising someone having a hart attack to "controll his hartbeat". If it's in the peoples mind, they're not going to pop out of this situation by themselves, you'll have to coach them. This takes time, expertise, some empathy. Sadly, our doctors are lacking in every of those areas.
Third: what sort of diets are suggested to these people? My mother is obese. She had to go to the hospital where some pencilneck suggested a 800 cal diet to her. I should have kicked his ass. Anyway, she's still struggling with her weight of course. And while I have dropped 15kg, she's convinced I'm eating all wrong. Eating to frequent, to much, to much protein. She knows better. Her doctor told her. Meanwhile she hasn't lost a single kg. And she couldn't keep up the 800 cal diet of course.
The ignorance and incompence amongst the "diet professinals" is simply mind blowing.
So, in this situation, with the medical community not being able to help these people, surgery is a very convenient option. Convenient for ALL parties.
And it generates nice cash.