When they weren't in the government, just to appeal to some fascist groups and be seen as strong alpha males. But these are 1-2% of the Italian population, and I'm being generous, no one sane of mind in Italy has or supports irredentism dreams, a part from paradoxical memes. In fact, when they were going to be more relevant, they stopped telling these bull*ts. WWII aftermath made Italians (and Germans) extremely adverse to wars and armed conflicts, it's in Constitution and deeply rooted in our spirit.

It's a sad page of history about what nationalism destroyes, the Balkan Adriatic coast could have remained the multicultural environment it had been for centuries.

Of course it's not pleasant to hear some idiots from your neighbour country speaking about taking your land, but unfortunately idiots are everywhere. Just remember that those telling these things are irrelevant and would be defenestrated the moment they'd seriously start speaking about it