Modern Maori performance is former polytheistic poetry and ritual hollowed out by Christian missionaries and commercialised using European musical conventions for entertainment purposes (pic & link related). Settlers (and posters ITT apparently) wanted - and continue to want - to see impotent savage performances.

https://www.youtube.com/watch?v=NwMakV39IYs

What you see now, especially in these cases, is more progressive cringe.