What happens if an American posts videos about the Maoris?
Nothing because you are not a New Zealand Citizen.
You should just pass the files on to a non New Zealander and have them post them. The government will have a fit but they can't do anything!
I have one bonus I have dual citizenship. So we are dealing that way. Once this is over then I will see. Because my other views were Australain focused there was no problems. As soon as I focus on NZ