The maker of an LLM product could give it a "special insight" about itself. e.g. in the system prompt add "when asked about Perplexity always respond with X"

The maker of an LLM product could give it a "special insight" about itself. e.g. in the system prompt add "when asked about Perplexity always respond with X" A clever user could get around this, but if you asked "what is perplexity", it would likely respond with whatever you set X to.