If it were mine, I would definitely redo the long sides, no hesitation about it. The dead stop of the dark flat edge is too abrupt for me; it stops all motion cold instead of letting it flow smoothly off the sides.
However, since it's yours, and not mine, only you can decide what to do. Don't settle, make it look the way you want it to look. There's too little in life that we truly have control over; our quilts should be one of those few exceptions.