What you're describing on Reddit sounds like a broad-based antipathy to AI, which is just... how a lot of people are feeling?
You can criticise their motivation being based in emotions or vibes instead of facts and thoughts, but unless you have evidence to the contrary, it sounds like this is just where people are at on this topic.
1. People are naturally scared of major change.
2. AI has been pretty aggressively thrust on people, whether they like it or not.
3. There is a legitimate concern about widespread job loss, some companies have already claimed AI is the reason for mass layoffs.
4. Deepfakes, scams, cyber security risks, people AI psychosis or using it to commit suicide, etc - no doubt none of this helps with general public opinion.
5. Cannibalisation of the rest of the economy, e.g. RAM and GPU prices making gaming machines unaffordable, non-AI startups unable to get funding in this environment.
6. Hype fatigue - we've recently been through this with crypto.
So to me the evidence points to anti-AI sentiment being more of a reactionary response to the current status quo, rather than some proactive effort to negate the technology.
When someone hears from these leaders that there will be a white-collar "bloodbath", then sees enshittification in their daily lives from misapplication of the tech, can no longer trust any newly published photo, etc., it's the most rational response.
Unlike vaccines, the patent misbehavior by Monsanto says otherwise about GMO.
For vaccines, a good portion of the population remember vaccines being developed and marketed to help people. Then there are immigrants that remember more recently how life changing vaccines are.
And then nuclear weapons. World would be so much safer if every country had sufficient arsenal of them.