You'd think that, but even simple algorithms exhibit complex emergent behavior when exposed to the real world.
How A Book About Flies Came To Be Priced $24 Million On Amazon: https://www.wired.com/2011/04/amazon-flies-24-million/
How A Book About Flies Came To Be Priced $24 Million On Amazon: https://www.wired.com/2011/04/amazon-flies-24-million/
Again, that's what you'd think and it's technically true that you can know who is running what system, but the systems are too complex to say they are really working on behalf of anything except the rules of min/maxing.
How do you explain bidding the price of a textbook up to millions of dollars is "working on behalf" of anyone?