Well, he could
But he might have to pay for it.
You think Canada provides routine blood calcium tests for everyone?
I also bet that if you had seen the real bill for his emergency room care, which is either passed on to the taxpayers through public health monies or passed on to the people with health insurance in the form of higher premiums, you would understand the problem a little better.
If health care becomes "free," who do you think the costs will be passed to then? To hear people talk, you'd think the money for national health care was going to be piped in from some other dimension.