I’ve checked IMDB and one of the reviews explicitly says that characteristic Native humour is missing, so it seems you’re right about the consensus. I wonder if some of the parts I laughed at were not intended to be funny. A good reason to watch it again.
Edit: here we go, some good quotes from the movie: https://www.imdb.com/title/tt7394674/quotes/
Thank you for having a conscience. I agree.