Yes, you absolutely are.
Any and all discussion on the nature of a Dwarf's skintone will ultimately be subjective, because there is no objective fact on what their skin color is.
Even my own answers to you here are not anything beyond subjectivity, because Tolkien himself has not clarified what skin color they actually are. All we can point to objectively is how it isn't clarified and left ambiguous. All we can do is discuss and bring evidence to support what we believe Dwarf skin colors could be. I'm clear to point out that the evidence we have that they were white skinned is not merely baseless, meritless interpretation, but is commonly accepted within the narrative because of many external factors which I've pointed out. And this has been analyzed by Tolkien experts and come to reasonable conclusions that it would be fair to assume that they were white. Commonly accepted depictions are not objective fact, but they are still important to the overall discussion of how things are meant to be depicted. Because in truth, we're still unsure whether Elves have pointed ears at all, and it's still a matter of debate among the experts. All we can say is that they (objectively) aren't depicted with pointed ears in the original fiction.
If one were to argue that Tolkien meant for Elves to have pointed ears and make note of certain things that he said in interviews regarding their length, then it would be a subjective interpretation of the facts. The fiction itself does not make a clear statement on whether or not their ears were pointed. Tolkien's own opinion on the matter doesn't retroactively apply to how the fiction is presented or interpreted (his opinion, not to be confused with a direct clarification of the lore). It's literally up to fans to decide whether it's fine or not. And making a point that pointed ears are not described in the fiction is important to make a distinction that any modern depiction isn't actually derived from the original fiction, and that it's merely an adaptation or fictional representation that has become commonly accepted. It can not be interpreted as deriving from the original fiction.
This is where the debate on Dwarven skin tone becomes absolutely ambiguous, because we're lacking information to reasonably apply multicultural skin tones to the Dwarves and it wouldn't be based on any actual descriptions from the novels. Which is the same as taking a creative liberty of separating Orcs and Goblins as different races even though there is nothing in the fiction to support it. It's purely a creative choice for an adaptation.