The Māori monarchy dates back to the 19th Century, when different Māori tribes decided to create a unifying figure similar to that of a European monarch in order to try to prevent the widespread loss of land to New Zealand’s British colonisers and to preserve Māori culture. The role is largely ceremonial.
As long as they’re not inside my house, (and if they were, I would take them outside) I’d say it’s fine. They deserve somewhere nice to live (as long as it isn’t. inside my house)