Regarding the first linked article: wouldn't it be the same with no AI in sight? I suppose most people, when they'd stumbled upon a blog written by "a senior technology journalist at the BBC", would believe in the sausage eating championship too.

To be clear: I totally agree that manipulating LLMs is super-dangerous. I don't think it is a 20 minutes of work, though. It's more like "years of building credibility, and then 20 minutes of work".