There are times when I tip to say thank you, particularly if I am a regular. The problem I have is with the cultural expectation that you must tip 15%. If you

There are times when I tip to say thank you, particularly if I am a regular. The problem I have is with the cultural expectation that you must tip 15%. If you dont you are shamed as a cheapskate or someone that doesn't care for the plight of the "under paid" server. I don't think that removing the expectation to tip removes people's generosity.