It matters because if the USA doesn’t have it because of your reasoning, then all of those people lied.
And currently, your words against basically the whole relevant literature, laws, and basically almost all of humanity. Especially those which describe how people use expressions meaning a scale as an absolutist term, which happens continuously, like in your case too.
Yes, I think all those people lied. Didn't I say that? American "free speech absolutists" keep finding poor rationalizations to exclude the kinds of speech they happen to dislike from the definition of "free speech". By contrast, in Europe, those people simply don't call themselves absolutists, state openly that free speech has some exceptions, and don't have to rationalize anything.