I don't understand why you're bothering with a "remake" before the game is finished. For those invested in the story, it has now been put on hold for an indeterminate amount of time while you go back and redo things.
For me, I just want to continue the story. I have no interest in replaying the entire thing. There isn't anything that is so bad that basically warrants starting over. Story things can be fixed retroactively as things progress by giving them reasonable in-universe explanations.
I'd wait until it's finished and then reevaluate things at that point.
As with most art forms, it'll never look quite right until it has actually been completed. You will always find things to "fix". Nothing will ever get done if you constantly go back and redo things.