In the eyes of doctors, "unsightly" and "surgical failure" refer to serious defects after surgery, uncoordinated proportions, obvious asymmetry between nostrils and alar, obvious scars and so on.
Generally speaking, looking for an experienced doctor in a regular hospital for surgery will not make the above mistakes.
Everyone's nose is different under different conditions. You can't blindly pursue the star's nose. You should listen to the doctor's advice according to your five senses and customize your nose.