[citiguy]

Agreed - when I worked in the financial industry there was something called data lifecycle management. Since keeping data around indefinitely meant you could be held liable at any time for anything that happened in the distant past, companies are motivated to track data and delete anything that's no longer necessary for business as soon as possible.

No such law exists for Facebook, so they don't care. Someone needs to pass a law with a big fine attached and then things will change.