One could make the same argument for anything really, but it has nothing to do with why this particular drug that’s completely ineffective is being sold.
And just because you’ve never experienced an extreme case of rhinorrhea doesn’t mean it doesn’t exist. It sounds like you’re more interested in painting Americans as whiny babies who can’t handle a little cold instead of discussing the actual topic.
Also, paracetamol is toxic to your liver so it should be avoided unless really needed.