But the data doesn't show that there's a bunch of rich old folks mooching on the labor of everyone else.

Basically the median elderly person has enough money to pay off the median house and then nothing else. After a lifetime of work isn't this acceptable?

Secondary source: http://cepr.net/blogs/beat-the-press/time-to-bury-pew-report...

On mobile otherwise I would link in the primary data.