Childish or no, anti-AI sentiment is ubiquitous and growing.
From a PR perspective there’s a lot to gain in the short term by picking the “anti-AI” lane. And you can always change your mind later.
It's ubiquitous among dinosaurs. Don't worry. They will be left behind.
Surveys show that 60% of US adults don't like it which means 40% either don't care or do. I'd advise not getting your ideas about sentiment towards it from places like HN which are very biased and unrepresentative places of anything.
I find the anti crowd increasingly to be hateful and close-minded and it is disappointing because I have a lot of friends in it. There's a moral puritanism which gives people feelings that they are on the "right" side and thus any level of rudeness or hatred is justified and it only hurts their side.