I wouldn't be surprised if Starbucks' actual coffee size naming scheme seeks to benefit from this effect while dodging the flak.
Changing the normal offered beverages from "Short", "Tall", and "Grande" to "Tall", "Grande", and "Venti" obtains the same effect as described in this post without being as overt about it. (On the face of it, "Grande" is an odd thing to call a medium beverage in the first place.)
Changing the normal offered beverages from "Short", "Tall", and "Grande" to "Tall", "Grande", and "Venti" obtains the same effect as described in this post without being as overt about it. (On the face of it, "Grande" is an odd thing to call a medium beverage in the first place.)