United Healthcare has an algorithm to deny Medicare prior authorizations
https://www.healthcarefinancenews.com/news/unitedhealth-ai-algorithm-allegedly-led-medicare-advantage-denials-lawsuit-claims#:~:text=A%20class%20action%20lawsuit%20filed,a%20high%20potential%20for%20error.
The article speaks for itself. This is why United Healthcare should be torn down brick by brick. They are the largest snake head in the pit of vipers. All insurance companies stink, but United is a special brand of hell.
I hate living in a no trust world.
In the linked article, the assertion is made that they use a "simple sorting" formula.
Being very familiar with those types of "simple sorting" formulae in non-medical settings, I've seen how corporations manipulate the semi-automated systems within which those formulae are deployed.
Constantly-moving statistical goalposts are the dystopian environment within which we all now live. You don't have to be a John Ioannidis or a Norman Fenton to grasp the basic principles underlying the mendacity of these systems.