LLMs can generate info, but there are differences between using them and a source like wiki. Wiki is a visible repository of information - users can find a wide range of topics from early childhood to experience to recognition at a quick glance. Wiki has10B views per month and I doubt it would be dying anytime soon.

LLMs on the other hand function more as search contributors. Users prompt queries to generate information. But LLMs can be customized to provide wiki-like profiles, tailoring model's responses. Many people are customizing LLMs for various applications, and turning that into startups