I don’t understand tipping in this (or most other) context. I’m all for people getting a fair wage so that tipping is not necessary. It’s interesting that this has come up with a store that’s unionized. Coincidental? I think not. Will you tip a sales rep at an Apple Store? https://www.bloomberg.com/news/articles/2023-05-03/apple-s-unionized-store-workers-seek-tips-and-higher-holiday-pay?cmpid=BBD050723_POWERON&utm_medium=share&utm_source=website&utm_term=230507&utm_campaign=mobile_web_share
Apple’s Unionized Store Wants to Start Accepting Tips from Customers

Workers at Apple Inc.’s unionized store in Maryland are asking for higher pay and additional time off, along with changes that could affect the company’s tightly controlled retail experience, such as letting customers tip employees.

Bloomberg