I know Andreas Antonopoulos as a great Bitcoin teacher. His ability to break down complex terms and communicate them in a manner that a layman can understand makes him one of my favourites. He is also a die-hard Bitcoin advocate that is worthy of emulation. At a time when social media is filled with junk, he is one of the few I can gladly recommend learners to.
The title of this thread/YouTube video does not reflect the content. I tried to identify how he changed Bitcoin and found none in the video. Maybe it is a click bait or they intend to say that he changed how Bitcoin was taught globally. Indeed his teachings has attracted many people to Bitcoin.