Law and Physics, making a mistake is not a crime. We evolve through the mistakes we all make... but responding ironically and blocking the person pointing out this mistake is not the way to go about it. We see enough of this type of attitude on other media.
In the photo posted by Law & Physics about Melania Trump and the Romanovs, it's not Anastasia Romanov, but Tatiana Romanov.
Photo by Getty images:
Russian Royal Family. Seated, Grand Duchess Olga, Tsar (Nicholas II), Grand Duchess Anastasia, Tsartitch Alexis, Grand Duchess Tatiana. Standing, Grand Duchess Mary, Tsarina Alexandra. 1913 (Photo by: Universal History Archive/UIG via Getty images)