We can opt out by not using store rewards programs. And some go even one step further by not using credit to buy items that might be detrimental should the wron

We can opt out by not using store rewards programs. And some go even one step further by not using credit to buy items that might be detrimental should the wrong parties get that data. So don't buy booze and cigarettes on credit if you don't want your health insurance company to buy that data from your credit processor.