If you just want to make a rhetorical point, sure. If you want different things to have different names so that we can have intelligent discussions about them, no.
You do realize they do stuff like this (http://www.bbc.co.uk/news/world-us-canada-24557333), right? No stretch of the imagination? I'd also say fomenting a culture of fear is a terrorist activity (and by definition, their end goal). Right now the US government are experts at creating such culture.