Who would you rather hire? A 65 years old, who has government-provided health insurance and income subsidies, or a 25 year old, with no experience who makes somewhat unreasonable salary and benefit demands because he needs to pay off educational debt, pay off a mortgage, and raise a family.
1. The number of 25 year olds in 2014 with all of a college education, a home mortgage, no health insurance, and a family to raise can probably be counted on one hand.
2. Adding a 65 year old to your business is a far worse hire, of course. A 65 year old in quality employment now has not been "hired" by anybody, they're just continuing to work. Nobody in their right mind would ever make a new hire, who they want to last a few years, a senior unless it's for Wal-Mart greeting.