To be honest, I believe Yuji returning will not make much of a difference in the actual games. If anything, Iizuka should probably be replaced with a better director. He's been called out a lot for being lazy and clueless through the years. Iizuka has always been seen as the antithesis of Tezuka in my eyes. They were both directors at one point, share the same personal name, and happen to have the task of directing a big game series at one point. You can piece together which of the two directors are possibly better at doing their job.