They actually are underwritable. Not everyone utilizes wellness visits, just like not everyone gets an x-ray, in a given year. Insurance companies can price in

They actually are underwritable. Not everyone utilizes wellness visits, just like not everyone gets an x-ray, in a given year. Insurance companies can price in the expected value of wellness visits based on the participation rate. Therefore, it fits the definition of insurance, even though the likelihood of a claim is relatively high.