It has nothing to do with Libertarianism, and everything to do with Economics...
As an industry, the technology sector prides itself on innovative thinking and using new approaches to solve old problems in a better way. It doesn't seem like economic development should be a path-dependent process.
It saddens me to see people shrugging off human misery as though it's required by some ironclad law of economics. Instead, we should devote serious effort to figuring out how to get from "poor, subsistence farming" to "developed economy" without the "child labor and sweatshops" step.
Rawanda is already trying to make that leap: http://www.wired.co.uk/news/archive/2013-11/04/paul-kagame-e...