Our pastor showed this picture in church this morning. Didn't really get the back story and some things still don't add up: The picture on Reddit (linked to fr

Our pastor showed this picture in church this morning. Didn't really get the back story and some things still don't add up: The picture on Reddit (linked to from this link) is cropped. I seem to remember seeing the entire receipt. Usually tips are only added automatically for large parties (>= 8) but this bill was only $34. Makes no sense. Was this just 8 people getting iced teas?