... but allow me to imitate him for a moment. Megan McArdle says:

As a class, the old and sick are already luckier than the young and healthy. Again, for individuals within that class--those with desperate congenital conditions, for example--this is not the case. But I'm not sure it's terribly compelling to argue that we should massively disadvantage a large group of people in order to massively advantage another, equally large group of people, all to help out the few who are needy, or deserving, or unlucky.

I agree. Read the whole thing.