Explanation: "We should bring back the guillotine" or similar is a common internet quip in response to billionaires doing billionaire things, when in reality the guillotine was invented to provide equal and humane deaths to people of all classes, and from there it was always a tool of the state rather than the people. Not the best euphemism for "we should depose the bourgeoisie." In fact plenty of Revolutionary justice folks were themselves offed by the guillotine during the Terror.
Yeah, and also a weird affair that she wasn't even involved in. Marie Antoinette wasn't innocent by any stretch of the imagination, but yeah her execution isn't what comes to mind when I think "justice".