Es porque lo que los Estados Unidos llama sidra es diferente a lo que el resto del mundo llama sidra. Tomado de esta ṕagina:
Básicamente, en USA la sidra no es una bebida alcohólica y se le da a los niños, a menos que tenga "hard" en el nombre. Para recalcar lo "inocente" que es considerada por allá, recuerden que Flanders es un fan:The United States
In the USA it is commonly available either "soft" (unfermented) or less commonly "hard" (alcoholic). In its natural state it is an opaque, brownish-red, sweet-tart fruit juice; in this state it can be served as-is (it's a traditional fall drink in this form in much of North America, particularly associated with Halloween and Thanksgiving), spiced (aka "mulled"), or filtered and carbonated ("sparkling" -- a popular substitute for alcoholic beverages for children). "Apple juice" is not always clearly distinguished from soft cider, but is generally understood to mean a form of soft cider that has been clarified and rendered shelf-stable though pasteurization and/or concentration and reconstituting.
The rest of the known universe
It is a fermented drink which is usually a pale golden liquid with about 5-6% alcohol by volume and a pronounced apple flavour, ranging from medium-sweet to bone-dry depending on the manufacturer and the market, and often carbonated. It can be further distilled into a type of brandy known as "applejack", the most famous type of which is the Norman French Calvados. A similar beverage, known as perry, is also made from pears.
[youtube]5fDsuHH8RAA[/youtube]
Si Flanders no tiene problema pueden estar seguros que es inocua
Todo eso fue mencionado en su momento cuando los hermanos estafadores aparecieron.
Eso por descontado... de haberse unido antes, habría salido en el capítulo...
