And Eastern European engineers and doctors go to Mediterranean countries for bigger opportunities and salaries. Looks like the biggest culprit is the “free education”, no?
No, that doesn't happen.
Pay is not the only criteria. Some select for the culture, lifestyle, similar language, etc.
However, you're correct that salary might not be the only criteria. That said, the Greek healthcare systems is already too thin, in ten years there will be a huge crisis due to lack of personnel. Most islands go by without doctors. During the summer these islands get flooded with ppl.