I'll admit that in spite of thinking the american healthcare system is not an adequate model for any society, I hold my skepticism regarding free healthcare systems too. I live in a country with free healthcare systems, and I've quit going to public hospitals because of waiting lines, I'll just pay and use private. What I'm saying is, don't think universal healthcare will be a paradise with no flaws, it certainly is better than the insurance system, but there's still a lot to work on. There are people who died waiting for surgery. I'll give the example of a female friend of mine, she had to remove her breasts because of some lumps that could develop into tumours (malign), public healthcare offered her 6 months of waiting and no reconstruction surgery. In private healthcare, she paid about 300€ and got the surgery in 2 weeks plus instant reconstruction to get the aesthetic necessity satisfied. The only public health service I still use is my family doctor's clinic.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you