> Once you have the effective cure, it will likely be economically a no-brainer to implement, because a whole lot of illness of old age will just go away. It's essentially a self-funding cure that drastically reduce the cost of healthcare.

Sure, it might be economically a no-brainer, but I don't see this happening. Why would the people in positions of power to implement this give it to the masses when they can have it and keep their power forever while the plebs have to continue to age and die?