This is true only if the company's health insurance is group-rated rather than community-rated. Large employers who self-insure (the employer is actually paying the claims; the insurance company is just providing administration and financing) have premiums set based on the cost of caring for their group of employees and will see their costs go up (and their employees' premiums likely go up too) if their employees are collectively sicker.

Under the ACA, small businesses all end up lumped together in the same state-wide risk pool, so if my small business hires old or sick people it's very unlikely to affect our premiums. In most places this risk pool is larger and somewhat less morbid than the individual market.

Plus you get people are less interested in “work life balance”, and generally don’t have as high of salary expectations.

I’ve been involved in hiring decisions where HR brought up the healthcare costs to complain, then stated clearly we can’t use that as a criteria for hiring.

I have doubts that human brains can separate out that kind of statement from our actions.

Yes under 30 white with great social skills also known as good fit. Come to the Boston area, everyone looks the same and self segregates based on race outside of the office

I think working longer hours with less distractions for less pay is more of a reason.