The Trump administration will no longer oppose discrimination by health insurance companies against those with preexisting medical conditions, which is particularly cruel and deadly. This places 133 million Americans' ability to buy health insurance at risk.
The President seems intent on harming the population because he abhors his predecessor or is intent on increasing health insurance company profits that are soaring anyway. What makes even less sense is that this hands his political opponents a potentially thunderous win before important fall elections.
Imagine a relative of yours comes to my clinic for addiction or pain treatment. The insurance company realizes they had a previous diagnosis like pregnancy when they applied for the insurance and cancels the policy. They're found dead from injecting heroin after they can't afford to pay for treatment.