True, all are existing risks with some known likelihood factor. But the coffepocolypse argument and the article's contents aren't discussing the current breeds

True, all are existing risks with some known likelihood factor. But the coffepocolypse argument and the article's contents aren't discussing the current breeds of AI, they're hypothesizing about a future super intelligent sentient AI arising or not arising. And if one does, it will have more tools at their disposal than conventional ballistic weapons, the likelihood of it using existing levers to disrupt society or cause mass die offs is simply unknown.