The YouTube algorithm is demonetizing videos that include the word "New Zealand." I guess it's because of the shooting.
Here's the spreadsheet.
Unrelated a lot of other words are also demonetized such as LGBT, gay marriage, gay pride,
If you want to see just the demonetized words, download as excel first, and allow editing

Youtube's discriminatory LGBTQ demonetization and hidden ad tiers
See links in description to get white paper, and various documents.