There was a BBC news article bout 4 years ago about why GPs did not address weight with their overweight/obese patients who came with other problems. On the "Have your Say" at the bottom one GP commented "They cry"Hi. Re GP/hcp/dietician bashiing, agree it is unhelpful but believe that the medical professional types are not encouraged to join in here. As you say there is frustration among the patients and I imagine that there is a great deal of frustration on the part of GPs too because they may not have appropriate solutions to offer their patients other than surgery which is highly rationed in any case. Their views in this survey merely display the general social consensus on the causes and cures of obesity (eat less, move more) although they have an obvious insight into the seriousness of the condition.
I believe that 'diaobesity' should be the focus as this is the pathological part of obesity that leads to complications such as metabolic disease including diabetes, heart disease and cancer; you can be fat and metabolically happy albeit with sore joints whereas there are a minority of not very fat people
walking around unaware that they are at risk because they cannot handle carbohydrates well...
On the plus side, the new technologies makes self and patient education a lot easier. I did the RCGP course by Dr Unwin and it is very useful with handouts and supporting evidence - we could all share it with your GP or Diabetic lead in your surgeries.