MacMacMac By this logic ... I can play Liszt/La Campanella.
I'll get all the notes wrong, of course.
But that's just creative interpretation. Yay!
I think you are overstretching what we are saying here, which I guess is good so we can try to be specific.
The way that I see it, is that music is something coming from inside, sort of like when talking.
One (usually) does not recite a pre-written speech when talking, and I would argue that most of the time reciting a pre-written speech sounds worse than speaking out of one's heart. Obviously that assumes that one is fluent in a language, otherwise reciting a prewritten speech, even without knowing a word of what one is saying is better, but poorly so and perhaps comical (like Stan and Ollie did back in the day: they were not overdubbed, at least not in Italian). Sadly often people are not that much fluent in music and play like Stanlio and Ollio (the names they assumed when broadcasting in Italy) spoke Italian.
So there's a difference between you playing La Campanella like in a pretend-I-am-speaking-Chinese way, and you playing La Campanella hitting some different notes than Liszt intended like if you were making an argument in English and used a few wrong, or different-than-you-prepared words (but hopefully without confounding humility with hubris, right?)