The appeal of socialized medicine for its fans is simple: Everyone has equal access to the health care system regardless of ability to pay, because the whole thing is publicly funded and not driven by profit.
Here’s what those of us who understand the virtue of profit always try to explain, usually without success: When you eliminate the ability to a) make a profit; or b) price things in a way that reflects the true market, you disincentivize the production of the thing you say you want. The inevitable result of that is shortages.