The why is because of relative advantage. Complaining about the 50 cent wage in a far lower cost of living country is like complaining that you cannot compete w

The why is because of relative advantage. Complaining about the 50 cent wage in a far lower cost of living country is like complaining that you cannot compete with a farmer's fields for corn with your urban rooftop gardens in plant pots. Well of course! That is where their advantages are - if you can trade without issues that is your cue to do something else more productive with your time.