He can take the photo of the coffee, call up grab and seek compensation. There is not a need for violence.
I kind of suspect the vaccine has a lot of do with his unholy action and behaviour. Now u know why people need to be depopulated.
Now that I read the article, the rider actually buy 2 packs of coffee to compensate him and apologise. And he still show knife to him? No wonder depopulation has to take place.