Love this analysis. It reminds me of Maggie Mae's breakdown of My Octopus Teacher as eco-horror film -- it ends up exploring the same themes around language and communication that you brought up here. [0]
[0] https://www.youtube.com/watch?v=whb4unrhy44
Specific time stamp for section on language (Gorillas in the Congo): https://www.youtube.com/watch?v=whb4unrhy44&t=1016s