When someone is young and relatively healthy why would they want a medicare type plan that was only intended  for the aged? People accept more risk in the kinds of jobs they take or activities they engage in. Its a choice. If you work in high-rise construction jobs your risk level is much greater than a 'greeter' at Walmart.  When a person chooses to stick needles in their arms to get 'high' they're accepting a risk infinitely greater than some of the riskiest jobs. 
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Good jobs have offered benefits, other than 'after tax income', for years. Vacation, sick leave and health insurance were 'benefits' of what an employer might offer to attract better  employees.  Now, some have gotten it in their mind that everyone should get those 'benefits' with or without a job. If a person can't work, there's welfare/Medicaid. For those who do work, most employers offer a plan and if your self-employed, you should be able to buy an affordable policy.Those who 'won't work'  I couldn't care less about