You're right, and it's not even hard to verify it, just look at this comment from December 2020:
https://news.ycombinator.com/item?id=25587409
In the US, it's because this claim, or rejection of it, is strongly tied to political identity. Because the US is highly polarized right now, once political identity comes into play, you've left the realm of rationality and entered the realm of tribalism.