On the numbers game within the NHS, schools and employment, it's going to be hard to convince you. For example, I sincerely believe that the greater amount of money invested in the NHS has resulted in better services, and I believe this on the basis of stats, personal experiences, and the experiences of others. But our expectations are always rising, along with the cost of treatment, and the age of the population. I'd suggest the NHS would be entirely on its knees if the government hadn't pumped the extra cash in that it has, but, frankly, there is so much newsworthiness in any health issue (such as MRSA) that the media portrayal of the NHS is pretty much unremittingly negative. It thus doesn't surprise me that the government doesn't get credit for the investment it has made.
I won't argue about the housing stuff, since you clearly know more. I'll take it as you say.
But I do know numerous people who work in the NHS, since I had tutorials and lectures with them during my degree, and I also have made a number of visits of my own to hospitals, both to visit my mother, for work and to visit friends.
The standard of care has not improved for many years, seen from my mother's point of view. She still has nurses injecting her with the wrong drugs and ignoring her acerbic comments (escalating to shouts of alarm) about their errors. Patients are still ignored for hours on end when they need help; drug doses are far more frequently missed entirely than given to the wrong person.
Nurses are overworked and many of them do not speak the language well enough to communicate with patients, even sane, rational and clear ones such as my mother.
My mother's doctors very much enjoy talking to me, probably because I know enough biology to understand everything they say, more like a medical student than a pesky family member, and when I get them off-topic they confide that things don't seem much better.
Two people in my lab work in a hospital too. Positive reaction? No.
Old medical friends? Absolutely scathing.
It's not just the big NHS stories, it's personal contact. When I take someone to A+E, they're 'seen' in 4 hours. That's better than the 6-8 hours it took on some occasions that I broke my arm as a child. But after being seen, they're not treated: they're moved to a different waiting room and left until people really do have the time to deal with them.
What a lot of difference that target did! Wasting doctors' and nurses time by imposing artificial constraints, and misleading patients about what to expect. Hooray!
Everywhere you look in education, employment and health you can see the same thing: targets giving nice statistics, but actually being meaningless because the statistic has been made more important than what it is supposed to measure, and pursued without any real gain in what matters.
That is Tony Blair's legacy, and if I knew more about economics (or read Private Eye) I'm sure I'd have examples in other areas too.