I'd say there's just outright negativity bias in society nowadays when it comes to technology. Even if ads were the biggest use of AI today, a glass-half-full

I'd say there's just outright negativity bias in society nowadays when it comes to technology. Even if ads were the biggest use of AI today, a glass-half-full view would be that other markets will benefit from the AI development done today for ads, as the performance gets sufficiently good enough for those fields too.