Let's look at a concrete example: the best result Jean-Marie Le Pen in France ever got in an election was 17% of the votes (the shocking result of the racist extreme right that made it to the news all over the world), and the results of Marine Le Pen was 18% (both number rounded up). And they never advocated violence. Compare this with the 33% supporting acts of violence against migrants in Israel.
First refugees travelling on Hungarian bus arrive at Austrian border (Reuters)
from the article: Sick talk: The danger of blaming migrants for Israel’s ills