Another Redditor commented, ‘ProfExer’ commenented on the photo and gave some of the back story;
“my parents were two of the many people that kind, generous man brought coffee to during my father’s struggle against multiple myeloma (a blood borne cancer). His thoughtfulness always made my parents day, and I have donated money through that Starbucks for his coffee runs.
Why does he do it, because his father was a chemo patient in that clinic. His father was treated so well by the staff, and he started out by bring coffee in for his father and others and it spread from there. If you knew the staff of that clinic, the physicians, nurses, the office staff, you would know how kind and wonderful they are to the patients.