This is what I read in this interview. Not sure if it was discussed
SOURCE:https://www.gamespot.com/articles/final-fantasy-7-remake-developer-want-the-saga-to-/1100-6474177/
It surely is a long road until we get to see the end of the Final Fantasy VII Remake project, and Kitase told me that he and the team likely won't even take a break once the first part is released--"I think we'll probably get straight into it." But personally, he isn't worried about the possibility of having to work on Remake for the rest of his career: "I think it is a very important thing."
"Final Fantasy VII is a game which, if it just stayed as the original, would just be remembered as something from the past and people wouldn't be as engaged with it. I think in order to be something that continues to be loved and followed by future generations we have to keep updating it as we're doing now. And in 10 years time, 20 years time, it may need to be done again! So even if this is the only thing that I do in the rest of my career, I won't be disappointed."
SOURCE:https://www.gamespot.com/articles/final-fantasy-7-remake-developer-want-the-saga-to-/1100-6474177/