I was a bit confused by how they looked more like moon elves.
I know those aren't a thing in 5e for some odd reason, move towards more generic setting maybe, but you can easily make a Moon Elf looking Drow. Which is a plus? I think?
Moon elves are still a thing in 5e. The picture in the Player's Handbook beside high elves' description is of one with short, dark hair and blue skin. They just don't differentiate between moon and sun elves in the stat block, and just call both "high elves." Many of the skin tone options in BG3 for high elves are even labeled as "moon elf _."
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More on topic with the original poster's statements, though... As people have already pointed out, drow have always had *some* variation in their skin shades and giving it blue or purple undertones has been pretty common in visual media. And as of 5E, several drow in official Wizards of the Coast productions, like Jarlaxle on the cover of Waterdeep: Dragon Heist, have looked very hard to distinguish from moon elves.
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