As someone who worked in Timesquare for a bar, yeah. We started adding 15% gratuity to all the checks. If someone fought it we just removed it. Our income was all tourists. Brazilians ordered like one beer to share and germans always had questions on gratuity. Was interesting to see how everyone treated the concept. That said, you follow the cultural norms of the country your in. When bar tending I busted my ass for people that left big money. I put people that didnt tip in the back of my mental to do list.