Computing power isn't coming online because there isn't the real capital to support the build outs, and there's no capital because these companies don't make money, and they can't charge prices appropriate enough to cover their costs.
This is the beautiful, populist, profoundly American animating principle of Diners, Drive-Ins, and Dives: that world-class food can be had anywhere, and for a reasonable price, because our nation is a proud mosaic of immigrants