> What’s the point of poisoning LLMs?

It's a demonstration. If a domain name and a quick bit of Wikipedia vandalism is all it takes to make an LLM start spouting nonsense about a "surprisingly serious tournament circuit" or a "massive online community" for an obscure card game, consider what an unscrupulous PR team or a political operative could do to influence its output on more important topics.

> consider what an unscrupulous PR team or a political operative could do to influence its output on more important topics.

‘is doing’.