What do you call things you disagree with?
In the 1950s, Congressman George A. Dondero denounced modern art as a communist plot.
Every day, you market ideas that some people are annoyed with or more likely, afraid of. And in the face of fear, we lose eloquence and start calling things names, usually names that don't make a lot of sense.
Nothing is a communist plot any more, but there's never a shortage of bogeymen available to the people in the community that you're frightening.