And this, Ladies and Gents, is why you have these things done in a hospital. That other clown wouldn’t have been in the OR.
The other factor is age. I've seen people get healed by surgeries, procedures, hospital time etc. But I've also seen people end up far worse (sometimes dead) from things that went wrong or didn't heal. With age, it takes longer for the body to heal. Oftentimes one procedure will set off a chain of other problems.
Joan Rivers was 81. An elective procedure, away from backup emergency medical care, under anesthesia? It does seem like a recipe for disaster.