(you of all people! next you'll be calling whisky Scotch!)
So if we take your arguement to its logical confusion we'll all have to call these boxes Doppelkupplungsgetriebe when even Porsche themselves call it a PDK!
Incidentally, your Whisky analogy is flawed too. [pedant mode on] All Whisky is by definition Scotch, all other whiskies, including for the avoidance of doubt Canadian and Irish, are Whiskey(s) [pedant mode off]

Chin chin, once we finish breakfast we're off to taste some more Napa wines!