"But critics worry that if wealthy individuals dominate, future advances could create an elite not of designer babies but of designer elderly. Christopher Wareham, a bioethicist at Utrecht University who studies the ethics of ageing, says advances in longevity science risk widening the gaps between the rich and poor in health, wealth and power, including concerns that dictators could extend their lives."

https://www.ft.com/content/649b0446-698c-4363-82ad-0be5b5faa68f