The US and apparently Canada are not is step with the world. Tipping is not a good system, it doesn't exist in Asia and it's only very minimal in the EU. In these countries being a server is a profession and the workers are paid a market based salary. As someone who spends roughly 50% of his life traveling internationally I find the tipping system repugnant, restaurateurs should pay their people fairly and servers should act professionally, so customers don't need to be math experts or feel guilty about the tipping process.