You could give that response to almost any product. For example, in response to 'so Windows was invented by Bill Gates?' 'Not the modern version. Just the name'

You could give that response to almost any product. For example, in response to 'so Windows was invented by Bill Gates?' 'Not the modern version. Just the name'. That doesn't change who invented the original product. So yes, Nazis invented Fanta--or more accurately, Fanta was invented in Nazi-era Germany.