yep, every sensible government is expected to conjure up rules and laws that first secure the interests of it's citizens, residents and then visitors in that order. When the skills sets the country needs cannot be sourced locally, they'll be willing to pay a premium with perks attached to attract those who have it. The proactive strategy is to develop a training framework that ensures skills and experience required to sustain economic development and capacity building can always available from within.
That's what is obtainable in the USA, EU, Australia and anywhere with responsible and accountable government.