I mean, showing the texture of the underlying stone is how the vast majority of statues from classical antiquity are displayed, and indeed how most pastiches are created.

(and half the objection to the paint jobs comes from the fact we've come to incorrectly associate decorative elements from the classical period with the colours of bare stone)

Associating them with garishly and almost certainly inaccurately (based on pretty much all the indirect evidence we have) painted sculptures doesn't seem like much of an improvement, though?