https://www.reddit.com/r/wow/comments/7u8kd2/comment/dtjhq4c/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button
That’s from 7 years ago. Folks knew the difference back then. So no, the NPCs weren’t the same as the new ethereal-models.
Try again.
Edit: since some folks have issues with using Reddit as a link, here’s a reference to the post that folks were talking about in the comment chain.
So yeah, try again - or alternatively you could accept that you are quite simply just wrong.