>500 years from now, just think how out of touch the elderly will be!
People will learn to keep themselves updated better.
What is this strange thing that makes people want to deny the likelihood of curing aging within the next few decades? I saw a survey of doctors that reported that the doctors thought that the average life expectancy a hundred years from now would be only about a hundred years. That means those doctors thought aging wouldn't be cured for more than 200 years! What on earth possesses people to think that progress will be so slow?