I gotta ask a really stoopid question...
How will he be able to legally emigrate to a nation that does not allow immigration?
“How will he be able to legally emigrate to a nation that does not allow immigration?”
Just guessing, but I think it could be reciprocal among members of the EU, of which both Sweden (1995) and Hungary (2004) are members.
https://en.wikipedia.org/wiki/European_Union
It doesn't allow Muslim invasion type immigration. It allows ordinary and normal immigration.