very simple answer - because their customers pay for it
clearly there will be differences depending on quality/type/location of restaurant
Originally Posted by
VivoPerLei
A lot of shenanigans happen with wine. I've had wine by the glass with a refrigerator taste to it, like it was put back overnight. I've been served the wrong wine by the glass, maybe they assume most people won't be able to tell the difference. Also had the deliberate substitution of a very expensive bottle for what I really ordered.