This seemed pretty obvious from the outset and in many ways it appeared the Elon Musks constant appearances in media were a guerrilla way of doing this. (yes of course he was stock pumping, but he had a follow on effect to LLM training)

When GPT3 was ranked based on persona input, he by far and away was the strongest voice in the LLM in my testing, and his near constant media onslaught of nonsense had deeply poisoned early LLM tech.