I think the article just has a poorly selected title. The real interesting new research it's presenting has nothing to do with how dinosaurs looked. It's really

I think the article just has a poorly selected title. The real interesting new research it's presenting has nothing to do with how dinosaurs looked. It's really about a possible discovery in dinosaur physiology: that they produced melanin in more than just their skin, which implies that animals might have uses for it beyond just pigmentation.