Big difference is there is no private practice emergency medicine. Emergency medicine is in an emergency room. Period. Sure you can work urgent care but that’s not really the same, and pays a lot less. So fill up the emergency rooms with fresh residency grads and mid levels and you’ve got issues for employed ED docs and downward pressure on salaries.
And really psych has so many practice locations (private practice, employed outpatient, inpatient, c/L, emergency psych, addiction psych, community mental health, FQHC, primary care consults, prison psych, etc.) and is so underserved it’s unlikely the same thing could happen. You know all the smaller town hospitals with EDs staffed with family doctors? And they have no psychiatrists at all. These small towns of 30-100,000 people could probably support 5 or more psychiatrists. And they have zero. And it’s like this everywhere you go because there are nowhere near enough psychiatrists. And coming changes with Medicare/Medicaid requirements will push health systems to expand there mental health services because they need to provide quality, which means keeping people with mental health struggles stable and reducing use of high cost inpatient beds.
Even in most big metro areas there is a shortage, though not as bad as smaller places. IMO, current trajectory indicates minimal concerns about job security or pay cuts. (...knock on wood)