https://en.wikipedia.org/wiki/Gratuity#/media/File:Restaurant_Tipping_Gratuity_World_Map.svg https://en.wikipedia.org/wiki/Gratuity#/media/File:Restauran... Wh

https://en.wikipedia.org/wiki/Gratuity#/media/File:Restaurant_Tipping_Gratuity_World_Map.svg https://en.wikipedia.org/wiki/Gratuity#/media/File:Restauran... Which bit do you not understand? End point taxes are not ubiquitos, and at least other countires have decent laws so people can see what they actually pay.