I don't believe LLM's will ever become AGI, partly because I don't believe that training on the outputs of human intelligence (i.e. human-written text) will ever produce something equivalent to human intelligence. You can't model and predict the weather just by training on the outputs of the weather system (whether it rained today, whether it was cloudy yesterday, and so on). You have to train on the inputs (air curr…
Your conclusion may be true but your examples aren't. You can definitely predict the stock market based on past prices, and I suspect you can with weather as well.
If you are talking about the overall climate, that's a different thing, and we can, because we abstract away sufficiently much that emerging patterns are averaged out.