There will probably always be people who while visiting Kansas City, MO mistakenly think they are actually in Kansas. While it’s a legit complaint, it seems to annoy mostly the locals, especially the ones on the East side of the State Line. There is even a handy website to clear up the confusion.
The latest victims of the confusing geography came from Australia, but who can blame them when even prominent American publications like the Life Magazine were not immune to making the same mistake.