I guess it is the logical consequence of the historic mainstream left enacting anti-worker legislation when they finally attained a majority, but it remains extremely depressing. 5Stelle is all over the map, but has some rather worrying xenophobic policies. To say nothing of the filth in the other party. Including a fascist skinhead with a Nazi rune tatoo who drove around Macerata shooting Black people (fortunately all have survived; good thing the P.O.S. was a poor shot). http://www.bbc.com/news/world-europe-43030951
Most of my friends who voted at all supported Potere al popolo, a party similar to Podemos in the Spanish state: https://jacobinmag.com/2018/02/potere-al-popolo-italy-elections-march-4 some voted PD as a "lesser evil" or still smaller parties.