Yeah, the organizers are definitely taking an extreme route but that's probably the point. Extreme positions get more marketing hype so to speak. Once you have the attention, then you can start to influence a culture of questioning AI and AI usage.
I will say to your first point, it's possible they are trying to prove the model of this type of protest with the biggest and most well known company today to lay the groundwork of other protests at other companies. Someone has to light the match.