Sigh, no. LLMs are not "approaching" universal Turing machines. They are specific programs run on computers which *are* universal Turing machines.
https://www.ft.com/content/5c41202b-6034-4cac-81a8-7968e9fa603a
And YES policymaking deserves and requires deep, thoughtful work by experts --- but this should be diverse communities of experts and not single "great men".