> Now with LLMs, they won't gain attention and all knowledge would be stuck in LLMs but there would be no knowledge base to train the LLMs on so...

It's even worse, the internet is getting filled with AI generated slop. All that knowledge stuck in LLMs gets regurgitated out with random errors scattered into it. A few cycles of AI having to scrape and ingest its own slop and it's going to get very ugly.