Or if it's really bad, they make up entirely fanciful slopes that you could fall down. Does it count as a slippery slope fallacy if the government argues that

Or if it's really bad, they make up entirely fanciful slopes that you could fall down. Does it count as a slippery slope fallacy if the government argues that not stopping encrypted communications will result in terrorists killing your grandma? Because I heard that one a lot when Bush was president and they haven't really ever stopped using it. Is there a better fallacy for that example?