That seems like illogical reasoning. The fact that Blizzard has banned people for making political statements before does not mean that there were no ancillary

That seems like illogical reasoning. The fact that Blizzard has banned people for making political statements before does not mean that there were no ancillary motivations in this instance. You may feel otherwise, but I don't think a pattern of previous behavior unambiguously resolves the motivation behind an action.