Three redbulls and a coke for the DD please!!!FAIL!!!
It's the norm- for FAST FOOD restaurant chains that have a free refill policy and have a free standing customer operated sodafountain machine - it shouldn't be something outrageous when someone is surprised when the industry standard isn't adhered to.
The one fast food chain "HalalsixinchJared" in my area that has a free refill policy also sells three size cups with a price increase the larger the cup. It seems they must have a client base with the mindset:
"I'll buy the big cup so I don't have to get up and walk the 7 feet to the free refill machine so often."
I'll allow for the idea that it would be good industry wide practice to voluntarily not charge for fountain soda at the bar when one member of a group is the DD but not that it is a legal standard that must be adhered to under penalty of the law.