That's treating the symptom instead of the disease.
And how the fuck does it lower body weight? All that thing does is removing undigested food. There are pills and other stuff on the market that doesn't require surgery that can take a person's cravings for eating away.
Yeah, if you are so big that you need a forklift to get out bed, I guess this makes sense since I guess drug & psychology therapy failed on you.
It like when really fat people get liposuction. And then a few months or years later they are just as fat.