I can't write something as good as Bob Dylan and Tom Petty. Ergo I'm not intelligent.
Now you no longer need to post here.
What if you don't? Do you think that makes someone not intelligent?
Think about it for a second.
2. I don't know if this was the point the original was making, but I personally think Dylan is a bit overrated as a songwriter (and the one time I saw him live, he was only so-so as a performer, but I don't think that's exactly a hot take).