I think public-facing they have to be that way, otherwise they would copyright infringe on their training material. Behind the scenes, I suspect that the wealthy can gain access to AI engines where the random response isn't set so high and they can even fact-check and cite their own training material better. It's really hard to imagine that they can debug these things without having any idea what training material influenced which pattern of associations. I sure don't buy that they don't have tools to trace back to training material.
Right now consumer-facing AI wants to put in simple prompts and get back unique term papers each time you ask it the same question.
I think their creators have deliberately disconnected the runtime AI model from re-reading their own training material because it's a copyright and licensing nightmare.