The murder of Brian Thompson, CEO of United Healthcare, has been a compelling news story. On the one hand, there was the excitement of a who-dunnit and a will-he-get-caught. On the second hand, there was and is the opportunity to pontificate about the health care and health insurance industries in the United States and their rage-producing dysfunction. UHC is the largest health insurance company in the United States. On the third hand, there is the opportunity to go "meta," to react to how other people, especially through these new-fangled social media lenses, are talking about the murder of Brian Thompson. THAT has become a big deal, because it turns out the head of a private health insurance company -- especially one whose rates of coverage denial seem to have risen strikingly under his command -- is not a sympathetic victim. Who'd a thought? Thompson's company has actually pioneered the use of artificial intelligence to find reasons to deny claims. Hence the soci...