It's because it looks to be a genuinely good game based on a classic novel called Journey to the West, and it getting people around the world interested in Chinese culture. This is directly challenging the US cultural hegemony, and hence westoids are losing it.
It's cool. Miyazaki has spent ten years ruthlessly training me how to parry his bullshit. if I can parry that fucking bull I can parry his bullshit, whatever he said.
I like some of his takes, like the one about how it's important to actually observe living beings instead of just making fan copies of fan copies of some old cartoon based upon a living being from a long time ago in a way that makes anime derivative and repetitive instead of a fresh experience.