That's an ignorant and harmful thing to say.

That Mussolini and the fascists defeated the (millions) of Italian communists and entered the second world war on the wrong side has pretty much fucking nothing to do with you being shitty to the Napoli family who lives down the street for talking funny and eating different food.

Whatever horrible fucking thing the bourgeois in control of a nation did 60 years ago should have absolutely no bearing on how you treat, first, second and nth generation immigrants from that country unless they specifically voice support for those things. Where I'm from, there are a whole lot of 60-80 year olds who came here not speaking any real English, were preyed on by gangs and worked shitty jobs where they were payed less and treated worse than their coworkers because they didn't have the language, connections or cultural understanding to fight back. And a whole lot more 40-60 year olds who were those peoples kids, and came home from school the first day thinking everyone was talking gibberish because no-one at home spoke any English .

Those people have had a much harder time in life, and are often in worse material conditions now because of the discrimination and marginalisation they experienced on the basis of their language and culture. Dismissing that on the basis of ????? and mocking them and their children for those same things that have made their lives harder is an incredibly shitty and harmful thing to do.