I do not mean this in any racist manner , but..... I work in the tourism industry and have for years. Black Americans DO NOT TIP. Everyone I know in this business here shares my observation. It like they come from a different county or culture where tipping is not practiced . Australia , Japan, many places in Europe. Whenever I have an African American guest I never expect a tip . It removes any anxiety for not receiving one anyway.
I don’t assume to paint with a broad brush, but my wife expressed the same observations when reminiscing of her youthful jobs as a server at a chain restaurant and, later, at a luxury hotel. She stated that the staff would just rotate “turns”, so that no one person would have to work without reward. And, she added that these types of tables were the most demanding of patrons beyond measure.
I think part of the explanation is that a waiter to them is like a slave.
I don’t know who came up with this quote, “The slave doesn’t dream of being free, he dreams of being Master.”
This is their chance to be “Master.”