There's a good article about why AGI is not happening rather it's the religion of Silicon Valley: https://fluxus.io/article/alchemy-2-electric-boogaloo it's good despite written by a promptfondler.
>[AGI impossible because] a researcher in cognitive science at Middlesex University - explained to me why we currently can't even model a single biological neuron, and it is unknown whether we shall ever be able to. The maths doesn't exist yet.
is about on the same level as aircraft are totally impossible because a bloke down the pub said we can't mathematical model one bird feather.