PSA is not fool proof test, and is susceptible to false positives. A substantial fraction of men, in the 40+% range have prostate cancer at death. The treatments for it can be painful and have long recoveries, so there's not obvious solutions.
How many people with polio do you know? What’s her explanation of why polio almost disappeared after everyone was vaccinated? Couching a bunch of BS in “if she’s right” makes you sound like a shill.
How is the typical person supposed to decide the best path of care? How do you incentivize competition while keeping standards of care up so that people receive good care with highly complex tradeoffs.