At Psychology Today Blogs, Joe Pierre argues forcefully that violent political rhetoric leads (or, perhaps more accurately, has already led) to actual violence.
He also notes a double standard in dis coarse discourse:
Indeed, a kind of double standard seems to have crept into American politics. While President Obama drew widespread criticism for wearing a tan suit back in 2014 and Clinton faced a serious backlash for her “basket of deplorables” gaffe* during her 2016 campaign, violent political rhetoric—mostly coming from the right—is often either trivialized and written off as harmless metaphor or countered with “whataboutism,” . . . .
Follow the link for his article.
*I would argue that it was not a gaffe. Ill-expressed, perhaps, but not a gaffe.