Fascism is popular everywhere right now, so it's not dependant on the location (Sicily in this case). The question is, how did it become popular in so many places simultaneously?
But the modern, far-right neofascists admire Israel more than the Third Reich.
The resurgence of the far-right began in the early 2000s when Jörg Haider‘s Freedom Party took power in Austria and Jean-Marie le Pen made the run-off in France.
It got much more powerful during the financial crisis of 2008 and the migration crisis caused by the Arab Spring in the mid 2010s.
It’s not a mystery why people are pissed off and looking for non-mainstream candidates.
A big mystery is why the far-left has vanished.
The Occupy Protests fizzled out, Jeffrey Corbyn imploded the Labour Party, and Jacobin put up a paywall.
Inflation in basic goods and exorbitant rents mean that a lot of people are struggling far more than GDP-style indicators would imply.
There's also secular decline in a lot of southern european manufacturing, so the economic basis for stable income and family life in a lot of places just isn't there anymore.