First, those who always give tips to waiters should notice a fact that people who offer services do not really need such money. Waiters and Waitresses have already the money that they deserve in their wages per month. Also, if they have offered you an awful service, you, with no doubt, need not to pay any extra fees to them. If they have done quite a good job, you do not need either because they will be rewarded by their managers.
Second, some serious problem may arise out of such tips. For example, since more and more waiters get money from customers, they will definitely be an inappropriate competition between them on how much they got from consumers. Therefore, they will only serve for tips, not for customers if they continuously receive tips. What is worse, they may unfairly serve customers and only serve customers who give a large amount of money well. As for those who do not pay tips that much, they are even not willing to give a glimpse to see their faces
However, in the contemporary society, there are hordes of people maintaining that it is necessary to give