1. dangerous new technology
2. that uses far too much energy (more than the entire country of X!)
3. do we really know how it works?
4. controlled by a shadowy cabal of super-coders
5. followed by a litany of anecdotal stories about victims of AI
6. and increasingly frequent and increasingly negative coverage of those getting rich off of it
they also used the same playbook against the internet, and open source, and mobile/social networking. probably the original cell phones too, at some point.
edit: oh, i almost forgot
7. turning the tables on any goldenboy/girl they previously pumped, then will viciously dump when the going gets tough or the inevitable fraud occurs. (unless of course they donated $40million+ to politicians)
i'm under 40 and i've seen this cycle about half a dozen times.