Not sure I understand... How will CharGPT/CoPilot/whatever learn about the next great front-end framework? The LLMs know about existing frameworks by learning

Not sure I understand... How will CharGPT/CoPilot/whatever learn about the next great front-end framework? The LLMs know about existing frameworks by learning on existing content (from StackOverflow and elsewhere). If StackOverflow (and elsewhere) go away, there's nothing to provide a training material.