Is David Oranchak’s Zodiac Killer Cipher Z-340 Solution Correct???

Amazing!!! or not :-)? Just a few hours ago, David Oranchak (THE expert on the Zodiac Killer ciphers) published a video that he and a team of experts (Sam Blake and Jarl van Eycke) jointly solved the unsolved Zodiac Z-340 cipher. Before you watch my verification (or the refutation ;-)), please watch his video. I was amazed to see his video here: