But is general uncomputability the OP's argument? They were just saying they had a gut feeling there is some "information-theoretic barrier" preventing AGI cons

But is general uncomputability the OP's argument? They were just saying they had a gut feeling there is some "information-theoretic barrier" preventing AGI construction. Yet we can understand a lot about Earth's weather, and even do things to affect the weather, despite climate systems being uncomputable, strictly speaking.