Not really. Everyone expected the Blood/High Elves to get a model upgrade in TBC because they were becoming a playable race and the previous model was a placeholder.
The important point is that when Blood Elves got that new model, High Elves did too. And when Blood Elves got the upgrade, High Elves did too. This is unsurprising as both groups are in fact the same race. No attempt was made to differentiate the Blood Elves and High Elves beyond the High Elves having blue eyes.
What is being suggested here is immersion breaking because it would drastically move High Elves away from Blood Elves, flying in the face of nearly a decade of consistent storytelling that the Blood Elves and the High Elves are the same race, in an attempt to pretend that High Elves are somehow different from Blood Elves.
Void Elves ARE different from Blood/High Elves. They do not break immersion or lore because the process by which they changed was shown to us.
These High Elf changes are an attempt to retcon the past decade, that High Elves all suddenly decided to wear different clothers, apply facial tattoos, sprout different hairstyles AND find out that all the darker skin toned elves happened to be kicked out of Silvermoon. It is a nonsensical approach, a transparent attempt to force a difference to justify an Allied race rather than an Allied race that arises naturally from the story of the game.
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I can quote Chris Metzen saying Blood Elves are Blizzard's twist on traditional High Elves.
I can quote Ion Hazzikostas on two occasions saying Blood Elves are High Elves.
This is not a matter of individual interpretation. Blood Elves are High Elves and so High Elves are playable.
Yes, there are. If I were to say Arthas was never the Lich King and try to defend that as my opinion people would rightfully laugh at me. You cannot have a subjective opinion on a fact. A fact is immutable. Saying it's 'my opinion' that the fact is wrong does not validate your position or offer it some kind of standing, it places you at odds with reality. That 'thousands' share your view is also immaterial. A fact does not change because a lot of people think the fact is wrong. The world after all remains a globe despite the misgivings of the flat earth society.
Void Elves went through a magical process that granted them new skin tones and allowed them to sprout tentacles. It cut them off from the light based future awaiting the Blood/High Elves. This is why they are able to be an Allied race, there is a justified level of difference between them and the Blood/High Elves.
Frequent cross-breeding may result in a race of Half Elves. That is not the point of this discussion and has no relevance to the topic at hand.
The Blood Elf storyline as they were introduced with was a one way path to their doom. By the lore of the game, the fel ultimately destroys. The Blood Elves were always going to find a pure source of magic for their needs, else all they would ultimately face would be their addiction. And once the cure was found, was storyline or role should have been found for them? The obvious one, the one they played before, that of the traditional style High Elf.
The plot of Elves dealing with forbidden magics has been repurposed with the Void Elves though. Maybe it has a longer term future than the Blood Elf plot.
This thread failed because it failed to convince anyone that High Elves could be differentiated from Blood Elves beyond those who wished to believe it was possible.
The compromise for the Alliance was acquiring a variant of the thalassian elf model to play without having to go Horde.
There is no need for a second compromise because the first one wasn't to your liking.
You cannot please everyone after all.
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Remember, Void Elves had a narrative that explained the change. The presumption with the other suggestions is that we are being asked to pretend that High Elves in the Alliance have always been like this, with no justification whatsoever.
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As High Elves were the obvious base for an Alliance based race of thalassian elves, and given they have stated they have absolutely no intent to add a High Elf allied race, there are likely two solutions.
Either the High Elves have a story role within BFA, maybe tied to this hypothetical attack on Silvermoon, or Blizzard felt nobody would believe that High Elves would be messing with dark magics.
I suspect the former.