Americans don’t even use it any more; it came before there was an international version so it’s kind of silly to treat it like some weird ‘america different’ thing.

Russia still uses their version, especially in the navy.

What about bbno$. Even he switches it up from time to time. Keeps you on your toes.

To add to this, it wasn’t just about looking good but the fact that, in later centuries, dueling scars most often came from academic fencing. So a dueling scar meant you went to university, and therefore a higher rung of society.