My son-in-law has lived in China and confronted me about my boycott. His position is that the content in Blizz games is kinda subversive to the authoritarianism practiced by the CCP. No other gaming company has the breadth of socially reformative messaging contained in WoW, Overwatch et.al. Should Blizz perform corporate harakiri by appeasing the angry SJW (not spoken derisively) in the West, the CCP would have no pr…
The e-terrorism that they've carried out using the "Great Cannon" should be internationally understood as a criminal act and get them cut off from the internet, too. That might eventually convey the message that the way they're running a country simply isn't acceptable in 2019.
Many Chinese still use VPNs to access Western media and plenty of movies, TV shows and games are hosted internally on the national network. Blizzard games require a persistent connection to the company's servers to play, so if access to these were revoked a rather thought provoking message would be sent.
Whether Blizzard or the CCP themselves enact that ban, I don't think it particularly matters.