They are aware. On one of the posts in Spanish that has been locked there is the following comment from Aerythlea (in the locked reason comment bit at the bottom)
We aren’t ignoring the requests for a Spanish realm(s) but we also do not have any details to share at this time. We welcome any feedback but please ensure it is posted in English as per the forum code of conduct. Thank you.
https://eu.forums.blizzard.com/en/wow/t/hola-que-tal-soy-colosal-y-tu-como-estas/76926/7