In order to paint a picture one must occasionally use the odd broad brush stroke.
Identifying common traits of a group, if those those traits are correctly identified, doesn't conflict with the possibility than not all members of a group may have those traits.
We on HN commonly discuss eg, the entrepreneurial culture of the US vs other countries. I don't see this as being significantly different.
This article consisted of three very broad, virtually meaningless brushstrokes.
I'm not opposed to articles that aren't "PC" but seriously, if you're going to make these types of claims based on "fifteen years of experience", you need to go into much more depth and tie into secondary sources.
Identifying common traits of a group, if those those traits are correctly identified, doesn't conflict with the possibility than not all members of a group may have those traits.
We on HN commonly discuss eg, the entrepreneurial culture of the US vs other countries. I don't see this as being significantly different.