That has been explained over and over. That is Blizzard corporate policy they have to follow with regard to communications.
Blizzard USED to let them have official CM Twitters, they forced them to remove those in around 2017 I think. Maybe early 2018.
It is not his choice.
No, they are not. That is the Social Media manager. She is her own person and not a CM.
Also, I go away for 10 mins and you folks started bickering with personal slings at each other 
Stop that please. I have a garage to go power wash once the house wash sits long enough. I don’t want to have to bleach the forums with powers I don’t have.