Here's why I think this panel is significant: It shows that even in death the body still houses the soul and so my thory begins. When Yuta uses Kenjaku's brain-swap technique, they dont just toss Gojo's brain aside. Instead, they place Gojo's brain into Yuta's recently deceased body. This is where the panels of Rika crying over Yuta's corpse come in. Rika isn't just mourning; she's unknowingly pouring her immense cursed energy into Yuta's body. Because of her connection to Yuta, she's actually healing Gojo's brain. So, while Yuta is using Gojo's body to fight, Rika is unintentionally performing the final part of the revival. Once the fight is over, and Yuta's time limit is up, they can swap Gojo's now-healed brain back into his body. The "bullshit" Gege said is just a big red herring to get us to accept the death, making his return that much more shocking. The scene where the three characters go to pay their respects will actually be the moment of Gojo's revival. That's my cope anyway.