The "lining of pockets" is deployed as investments in other companies. It isn't stuffed into a mattress. The richest people in our society live off an infinit

The "lining of pockets" is deployed as investments in other companies. It isn't stuffed into a mattress. The richest people in our society live off an infinitesimally small amount of their wealth. The lion's share is deployed as investment (company stock, bonds, etc). It makes some sense to entrust this discretion over resources to people who have demonstrated an ability to manage resources at scale.