Earlier quoted context omitted.
Single payer would be a great improvement on the current nightmare of American healthcare, but let's not kid ourselves that this is an incredible deal. The UK spent 8.5% of GDP on healthcare in 2013 (life expectancy in the UK is marginally higher than in California.) Most European countries spend around 11%.
Single payer != universal health care. Single payer is likely no not work in the US, but there are plenty of other solutions out there. Europe has universal health care, not every country has single payer the UK and France do, NL and Germany do not. Also in all honesty unless you have cancer or something else which completely degenerative the NHS is garbage that no one outside of the low income brackets wants to deal…
The various patient surveys and patient satisfaction scores disagree with you.
The fact that almost no-one uses private insurance is also proof that most people like and will use the NHS, even with all the problems it has. And the numbers of people with private health insurance has reduced, not increased, since 2011.