[rf15]

That is just a subreddit, I don't really see where it describes the problem.

Anyway: It's because on the Mercator projection, it is a small point in the bottom right that easily gets overlooked or accidently cropped out.

[PinkMilkshake]

https://en.wikipedia.org/wiki/Omission_of_New_Zealand_from_m...

[anitil]

You're right I should have explained rather than throwing a link. Poor Tasmania suffers the same fate, even among Australians though I think the reason is more cultural