That might be true for social media, but there are 100s of American brands that make a large point of being thought of as an "American company" or "American made" goods.
I think that's when selling inside America but I don't remember seeing any american company proudly advertising its product as "American". I'd wager that today they want to hide that fact.
Does the average non-HN type in Europe hold comparable pan-European or even plain National Pride? I think here of the German national relationship with their own flag and feel skeptical of a comparison here.
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This kind of messaging is overtly Republican-coded.