I don’t know, we saw where that led and I’m not interested in becoming a pool of orange tang yet.
No human souls imprinted in the LLMs (Yet), that I am aware of. I think we're safe for now.
But I'm absolutely joining the Machine Crusade if we have a first Impact event and I survive. Some days I wonder just how flabbergasted Frank Herbert and other pioneers of sci-fi would be at the situation we find ourselves in today.