The 'Damned Scots, They Ruined Scotland' meme originates from the Season 18 episode of The Simpsons titled 'Please Homer, Don't Hammer 'Em.' In the scene, Groundskeeper Willie describes the contentious nature of Scottish people to Principal Skinner, explaining that Scots are natural enemies with everyone—including other Scots. The humor lies in the extreme levels of internal pettiness and aggressive gatekeeping described by Willie. It has become a universal template for describing any community, political group, or fandom that seems to hate its own members just as much as outsiders, perfectly capturing the irony of self-sabotage.