I live in a place where we have our fair share of Japanese tourists (Hawaii) and once I walked into a Cheesecake place with my GF and other members of her crew (party of 4)and we had a nice meal and when I grabbed the bill, 18% was added in. Maybe the waiter thought I didnt understand customs and he basically handed me a card and pointed to the Japanese section which explained it was added in. I asked him in perfect English if he thought his service was actually worth 18% and he looked surprised I actually spoke English. He said yes. I asked what the high end of tipping is and he said 20%. I asked him why he didnt give me 20 if he was going to add it in anyways. no answer but a dumb stare. I told him his service was questionable at best. left 15% so maybe he can go back to school and learn. bothered me that so many people in the service industry rely on tourism in our State but they it for granted and dont even work hard and meanwhile, the very tourists who feed the economy get treated at the bare minimum... sad!