Godwin's law

Godwin's law (or Godwin's rule), short for Godwin's law of Nazi analogies, is an Internet adage asserting: "As an online discussion grows longer, the probability of a comparison involving Nazis or Hitler approaches one." The law’s creator, Mike Godwin, maintains these comparisons often trivialize the Holocaust.

In 2021, Harvard researchers published an article showing that the Nazi-comparison phenomenon does not occur with statistically meaningful frequency in Reddit discussions.