Because they either:

1.) Didn't, and it's more anthropic doom porn to try to scare people into investing.

2.) They did things like "hey claude, write a PID loop for this ESP8266 with this pin in for input and this pin out for output.

I'm sorry, that's not a "missile guidance system" until you strap it on a rocket, then it is. This just strikes me as more "doom porn" from the people who want to be the ultimate gate keepers (read monopolists)