Earlier quoted context omitted.
You can't freely trade your labor. The market is rigged. If you give people rights, capital will emigrate to other countries. Just look at outsourcing. See, it is human nature that is flawed. There are always people on top and people below.
How so?
Immigration is allowed (both legaly and illegaly) because payment for some activities isn't a honest wage for an honest job. Why? Because the game is rigged. *
Not everybody can apply for venture capital investment. Being white helps. Being male helps. Having the correct background helps. Having a good idea helps. Making a good pitch helps a lot. Why? Because the game is rigged.
Those two generalizations should be enough.
*Why do border exists, again? To keep away the slave labor reserve until it is needed. Why can people from any country trade their labor? Because the game is rigged