https://wccftech.com/blizzard-reportedly-has-lots-of-big-announcements-planned-for-blizzcon-2019/

Blizzard recently came under fire after the decision to ban Hearthstone professional player Ng “Blitzchung” Wai Chung because of his pro-Hong Kong message during a tournament broadcast.

Upon further review we have found the action has violated the 2019 Hearthstone Grandmasters Official Competition Rules section 6.1 (o) and is individual behavior which does not represent Blizzard or Hearthstone Esports. 6.1 (o) is found below.