The point is to appeal to people's empathy. This ad is saying; 'Don't like kids getting blown up? Stop funding the company complicit in it.' There's a growing trend here to do away with Americas tech in general tbh; AI is just the latest fad, so it gets a lot more attention. But people are boycotting far more than just openAI here. There have been similar campaigns about Musk being a nazi for example, which for obvious reasons, is frowned upon here.