Anecdotally, most those I know, while unhappy about it, are continuing to play. While I don’t think people are going to defend this, I doubt this will meaningfully affect them in the long-term.
It’s easy for companies, after some backlash by a loud yet small crowd on social media, to blacklist a certain high profile individual out of risk. It’s hard for that same group to make a difference against an organization as large as Blizzard. Most people still want their product.