The 1984 Gibson novel Neuromancer begins with the line, "The sky above the port was the color of television tuned to a dead channel."
At the time, this unambiguously meant the speckled gray of analog TV static: radio noise amplified and played out through a CRT's scanning electron gun. However, before too many years had passed, new TVs started displaying a solid blue screen when tuned to a dead channel.
And in 1996, Neil Gaiman riffed on Gibson's line, in Neverwhere: "The sky was the perfect untroubled blue of a television screen, tuned to a dead channel."
Yes, health workers should be unionized. But if we want more doctors, first we need more residency positions. The Boomer doctors retired before the Boomers stopped needing health care. We need to be training a lot more doctors.