Oh I certainly believe you that you had no such intention, but we have to go by effects, not intentions. I've written about this many times, so if you or anyone want further explanation, you can find it at these links:
In the case of your comment, pejorative generalizations about national groups counts as nationalistic flamebait (that is, it has the effect, in the general case, of provoking nationalistic flamewar) whether you intended that or not.
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&so...
https://hn.algolia.com/?dateRange=all&page=0&prefix=true&sor...
In the case of your comment, pejorative generalizations about national groups counts as nationalistic flamebait (that is, it has the effect, in the general case, of provoking nationalistic flamewar) whether you intended that or not.