> major industries like cow herding

The food industry is filled with regional monopolies.

> cellular telephone service in Somalia

Ah yes, excellent example, all you have to do is completely destabilize your nation and you too can have free market capitalism.

Investors love monopolies, they fix prices and profits so their investments are not at risk. Investors hate too much competition, it lowers profits and puts their investments at risk.

Free markets need investors. Investors hate free markets. I hope you see the problem here.