I believe diabetes is different to many medical conditions (although I have no experience of any other) in that it is not possible to take one pill two times a day and that is it. Therefore, much of diabetes care is self care and our health care system provides the tools for this care in terms of medication, technology and, to a certain extent knowledge.
For me, the medication has been insulin. Over the last 14 years, I have been on mixed insulin for a short period of time, then basal bolus for 12 years and most recently a pump.
Which brings me on to the technology: this seems to vary significantly throughout the UK. I was lucky enough to be offered a pump. However, I had no choice about which pump: my choice was Animas Vibe or staying on basal bolus.
I have self funded CGM on and off but, for me, I find I cannot trust the CGM readings as they are inconsistently inaccurate. It is rare for the NHS to fund a CGM. The Libre (a Flash GM) has recently been approved but the take up/prescription of these is still limited.
Finally, knowledge. This is two fold: knowledge about diabetes and knowledge about myself. When I was initially diagnosed, I was given some information but much of what I have learnt is through self learning which includes everything from this forum, research papers and an Open University course. Many areas also offer a course (usually called "DAFNE") which is mainly about carb counting. This was offered to me 12 years after I was diagnosed; I attended because attendance was a pre-requisite to my pump. Then, with my pump, I was given some training on how to use it.
Knowledge about myself comes with my annual diabetes review in terms of HbA1C, liver function, kidney function, cholesterol, weight, blood pressure, retinal scan etc. This is the greatest value I get from my annual review and assures me that I am keeping on top of my diabetes management. Others have more regular reviews.
Sorry, this is a long winded answer to your question about whether I am happy with the level of care I have for my diabetes. The answer is that I am satisfied I get what I need from my NHS. I don't think it is top of the range or always forward thinking but I have no reason to complain and happy I get value for money from my taxes. And, on balance, feel the limited funds available are spent constructively.