It runs so well because in the west folks more or less hate their parents: When they become inconvenient (read: need care), they are put away and politely ignored until they die. That's why those places are so hostile to their inhabitants: They know nobody cares about them enough to really do anything about it.
I doubt most westerners hate their parents. I think the western grind removes any free time for people to look after their aging parents, hell, most barely have time for their kids, let alone their parents as well.
