I'm sure I'll get someone arguing about private v.s. public oppression, but at the end of the day being a professional video game player in someone's walled garden is no less of a specialized or acquired skill than say being an expert cabinet maker.
So we're increasingly ending up in situations where people's hobbies or professions exist at the whimsical pleasure of private corporations.
If this guy talked shit about a foreign government 50 years ago and liked to play football as a hobby, and was a skilled cabinet maker that government couldn't pressure a private company to ban him from all football pitches worldwide, or exile him from cabinet making.
The answer isn't to boycott Blizzard, that's raging against the smallest cog in the machine. The answer is to eliminate these power relationships with a concerted effort of moving to free & open source software, and at the federated services when something needs to be hosted centrally.