I think Akechi being the traitor wasn't supposed to be THE twist. They established that there was a traitor from the very start, then made it ridicilously obvious that it's Goro.<br>The mandatory SL, the OP persona that's somehow weak to its own elemental affinity, his demeanour throughout the entire casino, not to mention the whole &quot;Let's wait until the very last day to send the calling card mmkay? :^)&quot;.<br><br>I believe they made it so obvious that he's the traitor because him being the traitor isn't supposed to be the twist. That the Phantom Thieves didn't fall for it either and used the opportunity to throw him off their trail is the actual twist in my mind.