In the US they're saying "We're sorry"
But in their chinese social media accounts they're saying ( an official Blizzard account run by the company's Chinese publishing partner Netease took a tougher stance.):
“We express our strong indignation [or resentment] and condemnation of the events that occurred in the Hearthstone Asia Pacific competition last weekend and absolutely oppose the dissemination of personal political ideas during any events [or games]. The players involved will be banned, and the commentators involved will be immediately terminated from any official business. Also, we will protect [or safeguard] our national dignity [or honor].”
https://www.ign.com/articles/2019/10...?sf110478740=1
https://twitter.com/Slasher/status/1181925730877345793