How would the manga have played out?
Just speaking in terms of abilities and fighting not their views and beliefs.
Such as.
Hashirama having Rinnengan, fighting Gokage etc
Madara trying to stop him etc.
Madara would solo hashirama low difficulty.
That means Naruto was a villain and Sasuke was a hero
Alive hashi would slay the gokage worse than madara. Now madara has the chance to defeat hashi since it would come down to whoever can outwit the otherat the last strike