There’s a short documentary on Current about Brazilians reclaiming their Italian citizenship due to a loophole in the system. Basically there’s an Italian law that says if you have an Italian ancestor, you qualify to become an Italian citizen (and EU passport holder). Many Brazilians though are using the law to have access to other European countries, rather than stay in Italy.
With Italy’s low birthrate, it might do the country good to somehow give citizenship to those who stay in Italy for 5 years before leaving, and therefore create ties to Italy…and why not, some good-looking babies who would speak two of the most beautiful languages in the world.
On a side note, here’s my article on Italians in Brazil (in English & Portuguese).