It's incorrect to notice that citizens of nations have commonly shared cultural beliefs and that affects their individual and aggregate behaviors in predictable ways? Interesting.

You're just saying "negative stereotyping of others based on their nationality (or ethnicity, or race)" with more words.

And yes, it is factually incorrect to say "the commenters on this platform live in a country that views suffering in pain from incurable disease as a “god intended way", because:

1. A country is not a creature and thus cannot have views, and

2. The views of people in the USA are diverse, not unanimous, and include both the view you cited, and the exact opposite view, just like the views of people in every other country.