People have literally been severely beaten, stabbed, and even killed for doing precisely that (i.e. their job). https://www.ajc.com/news/grand-jury-indicts-man

People have literally been severely beaten, stabbed, and even killed for doing precisely that (i.e. their job). https://www.ajc.com/news/grand-jury-indicts-man-accused-of-killing-dekalb-store-clerk-over-face-mask/OURLWBMA3NEPLBC53YZSPMWVKM/ https://www.ajc.com/news/grand-jury-indicts-man-accused-of-k... https://montreal.ctvnews.ca/pregnant-convenience-store-worker-in-quebec-attacked-by-anti-masker-charges-filed-1.5358767 https://montreal.ctvnews.ca/pregnant-convenience-store-worke... https://newyork.cbslocal.com/2021/10/12/apple-store-mask-fight/ https://newyork.cbslocal.com/2021/10/12/apple-store-mask-fig...