Originally Posted by Hetman

Kills those nastybad germs.

As far as buying someone's coffee or drinks or dinner, it is my gift, not my obligation.

As far as tipping, filling a cup and/or ringing up my purchase does not rise to that level and I find the expectation it does to be arrogant and self aggrandizing.

As far as shaming me into tipping someone undeserving of a tip based upon their need, who the hell are you to decide for me who most needs my money?