But not all readers are, neither of the NYT nor HN.

So it's good to remind those that the article is only valid for Americans.

That's what my comment does.

And to remind readers that not everyone in north america is American. Geographically, most of north america is not part of the USA.

Nobody needs to be reminded of that. We're not retarded.

Yes they are. A resident of any American continent is American

There are two continents in the western hemisphere: North America and South America.

Right like everyone in New York State is a New Yorker, right? Of Roman being from Rome but could also refer to ancient Romans.

along with the beautiful Monarch butterfly

The Monarch is found elsewhere, saw them in the Canary Islands and they are found in Spain, and Australia https://monarchjointventure.org/monarch-biology/global-distr...

I was surprised when I saw Monarchs in Hawaii too!