Even if people were medically immortal that doesn't mean they'd be functionally immortal. There are always accidents, and I expect "accidents" would tend to be

Even if people were medically immortal that doesn't mean they'd be functionally immortal. There are always accidents, and I expect "accidents" would tend to befall terrible dictators at a greater rate than the general population, especially among people whos will isn't already being crushed by their inevitable death.