The answer is political speech
We as Americans are allowed to criticize our government without any punishment this plays into our freedom of speech (First Amendment). Other countries do not have this type of protection and we should be thankful to be able to criticize our own government without punishment or repercussions.
Special words or expressions that are used by a particular profession and are difficult for others to understand are called "jargon," since they are often only understood by people "in the know".