What is the advantage for Sweden here when they have higher wages and can people and cities in Romania compete against the Swedish ones to not pull the most educated out of the country?

Completely disregarding the language barriers, which are quite extensive so practically freedom of movement would be easy for corporations to use the benefits but not the wider population even if you neglect family ties.

These questions need to be answered and I don't think the educational elite has an answer without painting flowery pictures not too many might be inclined to believe.