It's not only about getting cheaper labor -- that's what many people get wrong. It's also about dodging the rules of the free market: an H-1B holder can't just

It's not only about getting cheaper labor -- that's what many people get wrong. It's also about dodging the rules of the free market: an H-1B holder can't just get up and leave the company if they don't like how they're being treated. Sure, it's theoretically possible, but it's a hell of a lot harder for an H-1B holder than for a citizen or a permanent resident.