On the contrary, there is a considerable body of evidence that these fossil traces, known as 'dino-fuzz', have nothing to do with bird feathers... I, and many others, do not find any credible evidence that those structures represent protofeathers.
And the first till last alshemist wrote over every square inch of the only foolscap available, his own body, till by its corrosive sublimation one continuous present tense integument slowly unfolded all marryvoising moodmoulded cyclewheeling history.
Half of Hollywood has more prosthetic in their body than I do, but we don't think of them as disabled. You amputate part of a nose, that's 'enhancement'. You put a prosthetic in a breast cavity, that's 'augmentation'. But you amputate part of a limb and put a prosthetic there, it's 'disability'?