We do not care about any other game. We’re talking about World of Warcraft. One game.
You say chat is too inconvenient to use. However, you simply want to push that inconvenience onto a large population that doesn’t want an ingame chat service to begin with.
There is a reason I don’t own a Playstation4 or Xbox One. There is a reason I don’t play Overwatch. There is a reason I don’t play Call of Duty. The reason is the same in every case. I don’t want to voice chat with random strangers. I will never want to voice chat with random strangers.
I do have Discord installed. However, I have never used it for voice chat either. Its text chat has been useful though.