The Jamie Dimons of the world hopefully are not long for it. This rush to bleed people for the surplus value of their labor while at the same time automate their jobs out of existence is going to be their undoing. People have to be hungry to be stirred to revolution and we're very quickly seeing the dissolution of the basic American social contract that keeps the masses from becoming truly destitute.
All of these men vastly oversell how valuable they are to their company and to society. If you actually based their salary on how replaceable a lot of them were, it would probably be 3% of what it currently is. A lot of people took offense to Obama's "You Didn't Build That" speech, but he was completely right. Most of the wealthy people in this world would be nothing without everything the rest of society has built. Hoarding it to buy a new yacht does nothing to repay society for your opportunity and eventually it will be their downfall.