if you punch into a chatbot questions about the employer pool insurance product, your comment is exactly how the chatbot characterizes it.
of course, "administrative sides of [health] insurance" includes requiring pre-auths and approving/rejecting claims, which is, haha, all the fucking evil parts of what they do! it's not "simply" anything. they need a huge, comprehensive, defensible model of what regulations and customers will accept as valid healthcare. apple does not need to have an opinion on ten thousand treatments and the standard of care across all these things. the insurance company does.
this is a line of investigation that the chatbots are absolutely terrible at informing people about. "administrative" is ALL the work, that is why UNH is big! you are starting from the wrong premise. you must always ask yourself, why are health insurance companies so big?