Yaarel
🇮🇱 🇺🇦 He-Mage
Yes, of course.Moon elves are also known to have silver hair on occasion, so the claim that silver-hair is explicitly the reason for making the character a drow is dubious - particularly since the same trait could also reasonably describe pretty much any generally elderly person just as easily.
To make the "silver haired" Human-Elf a Drow, is a decision.
At the same time, they want to humanize the Drow thus supply canonical examples of "Good Drow" who are a "normal" part of the D&D landscapes.
There was a choice between Drow Human-Elf, Moon Human-Elf, and gray-haired "elder Human" -Elf. They chose for the character to be Drow, rather than Moon, or elder.