These engineers may find once migrated (especially after a few years, ie slightly older) that the option of having children not to be burden in such a system, might find the safety net of not worrying about health and insurance increase their ability to focus on being productive instance of simple grinders, especially if well educated and motivated.
So, they will pay huge taxes to finance the public education system they didn't benefit, while at the same time repaying their student debt because they had to pay for university in their own country? I don't quite follow the logic...
If you live in a society, you benefit from its education system even if you didn't attend it, as all the folks who were educated in that society's educational system are the rest of the folks who contribute to the economic system and its health and robustness.
I didn't judge in my comment if it is good or bad to organize a society based on these values. That seems to me to be a bit unrelated to the situation at hand, where you have to move across countries and switch different systems. That fact that you may end-up paying "double" is what I was raising.
Anyway, you will benefit as your friends, colleagues, neighbors and especially your own children will not be burdened with the debt, and more likely to be well educated.
These engineers may find once migrated (especially after a few years, ie slightly older) that the option of having children not to be burden in such a system, might find the safety net of not worrying about health and insurance increase their ability to focus on being productive instance of simple grinders, especially if well educated and motivated.