Elons lies are way different. He mostly is just optimistic about time frames. Since Sam Altman and ChatGPT became mainstream the narrative is about the literal end of the world and OpenAI, and their influencer army, has made doomerism their entire marketing strategy.
When you're taking in money it's not blind optimism. They sold gullible people a feature that was promised to be delivered in the near future. Ten years later it's clearly all a fraud.
Perhaps if you have a selective memory. There's plenty of collections of straight-up set-in-stone falsehoods on the internet to find, if you're interested.