My comment was a little tongue in cheek, but it seems I was not able to convey this. Anyway, roman numerals do just fine to number centuries, which are rarely u

My comment was a little tongue in cheek, but it seems I was not able to convey this. Anyway, roman numerals do just fine to number centuries, which are rarely used to do computations. My point is that it all amounts to familiarity, and while people complain about someone mentioning the XIXth century, apparently everyone forgets that someone across the ocean may have the same difficulties hearing about someone being 6ft tall.