Hasn’t it? There is considerably more infrastructure for the elderly today than a couple of generations ago. Communities where folks can maintain a bit of independence with caregivers and peers in the neighborhood seems like a nearly ideal way to age to me.
But of course not everyone lives like this and many have a horrible quality of life at the end so there is room to improve. One improvement is cultural I think: we shouldn’t be hanging on to every last strand of life possible, and should make it easy for those with little prognosis for quality of life to die gracefully in a way of their choosing.
In any case certainly more adaptation is needed, but I see signs of the development.
People don't owe their parents anything, but they naturally do at least give a shit about them - provided they had a good relationship.
Less kids, less adults who would volunteer to do it.