Where are you seeing that?
This is what he linked to, and it's not an article at all.
WO2019245618 DATA PIPELINE AND DEEP LEARNING SYSTEM FOR AUTONOMOUS DRIVING
I think he is referring to the Teslarati article where I got the patent link from. I linked to the Teslarati article at the bottom of my post.
Tesla's new data pipeline and deep learning patent paves way for quicker autonomous driving improvements