Nose tip deviates after rhinoplasty done in 2015. Revision options and options for scar removal? (photos)

#1. Scars: What must be done to remove the scars? Should I choose fat grafting? Does fat grafting gives permanent results? If not fat grafting then what (The last 2 1/2 yrs i've tried few c02,subcision & TCA & dermabrasion). #2. Nose:Rhinoplasty I had in the year 2015 but that not performed properly i feel.The other surgeons are refusing to perform revision (Their response: It might look artificial / not sure about the cartilage is still existing or removed during the first surgery