However, the buns on the Japanese menu are much more obviously askew than other countries menus, which is the interesting point I imagine the OP was getting at.
Compare for example with the UK images which are much more symmetrical:
I have just noticed that on the UK menu, there are a few crumbs or sauce drips next to every single burger, which there are not on the wonky Japanese menu.
It seems there are definitely some interedssting nuances between food photography in different countries.
Compare for example with the UK images which are much more symmetrical:
https://www.mcdonalds.com/gb/en-gb/menu/burgers.html