This article would be a lot more digestible if we didn't have actual scary data rather than just stories. Not a day goes by without some prompt injection oopsie, security gotcha, deepfake or some sandbox escape artist demonstration and tbh I'm impressed but more to the point where I don't doubt this is dangerous tech, I'm sure of it.
This is roughly 1995 again and we're going to find out all over why mixing instructions and data was a spectacularly bad idea. Only now with human language as the input stream, which is far more expressive than HTML or SQL ever were. So now everybody is a hacker. At least in that sense it has leveled the playing field I guess.