Similar to high turnover rate at major corporations is the justified fear that the current residents will be abandoned by their own government in an attempt to drive economic incentives
Unless the system is built correctly, you could accidentally drive people away because you didn’t build with your citizens best interests in consideration
For example Japan and South Korean (my heritage) has this exact problem still at large as they encourage people to have children yet systems like high working hours in combination with low wages means that people just can’t afford to have children