|>>|| No. 10893
>but I don't really think anyone noticed or cared.
This is almost certainly correct. One thing I can guarantee above all else in any restaurant in the world, is that as long as you're spending money, and not causing them to lose any money, you can do whatever the fuck you want.
>for example is the information in >>10886 a custom more honoured in the breach?
I would say yes, because etiquette in general is a big part of Japanese culture. It's also a generational thing, and it depends where you are. Some trendy twenty somethings in Osaka probably aren't really going to care if some gaijin dips his rice in his soy sauce, but then older or more serious people might get upset. It's the cultural equivalent of watching someone dollop tomato ketchup on their steak - it is on some level offensive to anyone who likes the taste of steak, but at the same time nobody's going to kick you out on the street for it. Well, actually, I probably would kick you out on the street for the latter one, but I'm not as polite as most Japanese chefs.