To be completely fair, the confusion is because of the marketing. You and I both know that Tesla cars can’t really drive themselves for the same reasons you outlined but the typical person sees “autonomous mode” or “self-driving” applied to what they are buying.
People treat llms like something out of a super hero movie because they’re led to believe it to be the case. The people shoveling in the money based on promises and projections are the root cause.
I might be misremembering my marvel lore but didn’t Tony Stark have a twin? If so, I could see an evil twin story making some sense