The real answer is no one. They will quickly realize that at the root of the economy are the regular people, and since the economy is a cycle, when you cut off a part, the cycle doesn’t work anymore.
People (doomers) here are saying businesses and rich people will, but this can only, work for a limited time, because either the products will shoot up in price since only the rich can afford them, or the businesses won’t be able to sell their products, so they can’t buy new things, which means no more revenue to the shareholders.
Think of all the companies that live from b2b models, when you look closer, they are all at some the suppliers of b2c businesses, except, maybe military companies. That company that makes the lithography machines (asml) only sells to other businesses such as tsmc. Tsmc also only sells to other businesses, but they sell to businesses that sell to consumers.