More like pro-US exceptionalism, and any announcement for products created outside of it (whether it's EU or China) is met with doubts and skepticism.
Unless something is from Japan, then it's perfect and any criticism is because you don't appreciate its unique cultural heritage.
There has not been a pro-US exceptionalism tone in any HN thread in awhile. Go to any thread recently and it's pretty anti-capitalism/anti-US.
Is that so shocking on dominantly US forum? I wouldn't expect different situation, people are not 100% objective even if they try hard.
That being said, >95% of the world lives outside US and in recent times (culminating with orange man's second term but started way before) US has alienated literally every single other country, democratic or not. This is what happens when reins are firmly held by unstable people full of pettiness and mental issues, plus visibly corrupt too.
So division deepens as seen also here, and as much as 20th century was a century of US, 21st century is and will be one of China. Every move US makes now just pushes whole situation further into that direction. So folks cheer for their own camp, not some larger common group of aligned friends.