A barista here, who declined to serve a woman because she was not wearing a mask, received praise from Internet users and whopping USD 32,000 in tips.
https://www.business-standard.com/article/international/us-barista-gets-32-000-in-tips-for-not-serving-woman-without-face-cover-120062700123_1.html
https://www.business-standard.com/article/international/us-barista-gets-32-000-in-tips-for-not-serving-woman-without-face-cover-120062700123_1.html