People wondering if things could have gone differently if Gojo spoke to Geto and expressed his wish to hear him out, we did get that; Yuji and Junpei. The worst part is yeah they could've reconciled. I think Yuji and Junpei speed-ran everything SatoSugu did wrong but also fixed it and made it right. Yuji didn't stop and tried to get through to Junpei no matter what, and Junpei was willing to give humans a chance. They did everything right because they're both a lot more empathetic, compassionate and fundamentally, Junpei and Yuji are underdogs.
Geto and Gojo very definitely aren't so they're assured in their own decisions so when they make a choice, they go all out. Yuji and Junpei at this point were very unsure of themselves and they had the sense to acknowledge that and saw the same in one another. Junpei saw that Yuji will have to kill people and asks him questions forcing him to confront that. Junpei says people have no hearts and he believes it on many levels but he also acknowledges that it's a difficult thing to convince oneself of, and when Yuji hears him out he finds hope in that and is very willing to change.
Yuji and Junpei are the Emotional Awareness and communication AU of satosugu, i think. The reason these two ended is because of outside forces. SatoSugu did it all on their own.
