The stupid things OpenStreetMap ops team have to deal with:
"Some lovely company thought the best way to check if this app is online is to do a very expensive query against OpenStreetMap... every 3 seconds... with hundreds of instances of this app" https://youtu.be/qhie14YKa-w?si=9_jsShC_IeJQFKWP&t=565
Great SOTMEU talk by @Firefishy