If you are going out to eat, it is expected that you will leave a tip. Wait staff are not paid the same as most people. They rely on tips to earn a living. There are tacky things that you should not do, this is one of them:
There are other examples of poor conduct when it comes to tipping at Buzzfeed. The bottom line, those serving you in restaurants work for tips and they deserve your gratitude when it is earned, not a fake 10-dollar bill talking about Jesus and the virtues of Christianity…
In fact, Jesus would leave a tip…it is the Christian, and proper, thing to do.