No it wouldn't, because there is no obvious fence here.
You can't call any change "dismantling Chesterton's fence" - "Windows made the corners of the windows round, users hated it, obvious example of Chesterton's fence"
Having visible door handles is a safety feature. Having clear turn indicators with a distinct color is a safety feature. You have simply not examined what the fence is there for.
You can't call any change "dismantling Chesterton's fence" - "Windows made the corners of the windows round, users hated it, obvious example of Chesterton's fence"