Political parties is Switzerland have often made large use of visuals during political campaigns, in particular the right-wing has used metaphors of black sheep and rats to refer to foreigners.
It seems to be a general trend that the left parties are picking up in response. In this Example below you see a knowledge visualization developed by the PS party, making fun of the “world view” of the “destra ticinese” (right wing parties of Ticino). Nevertheless the Lega dei Ticinesi won at the yesterday’s elections. It now becomes the biggest cantonal party with about 30% of votes, an increase of over 7% compared to the last elections in 2007.