Yes, plus sometimes the "owner" is a group of people. Then it gets more difficult for them to coordinate against the agent.
If you take six figures out of my money, I have a strong incentive to find out. If you take six figures from a treasure chest that belongs to million people, most of them will decide it is not worth their time to investigate.
It also creates conflict of interest problems among the owners. How do you ensure that only your share of the business profit is getting siphoned off to support your kid? Does each owner get one fail-son slot?