Not much of anything, really. It's the answer of the Zeroes. And it's a GOOD one. Everything you believe is wrong. Deregulation doesn't work.
Competition is anti-competitive.
The big fish eat all the little ones, then nibble on each other. The only markets worth trusting sell groceries, and I'm not even too sure about them. Giving the rich more money has the net social effect of giving the rich more money. In business, bigger is not better. More is more.