AI and the "end of humanity". Explain please?

[DSeid]

Related thread.

Measuring productivity for cognitive work

Subject inspired by discussion in several threads about AI but not necessarily about AI. It also is a question about how cognitive work productivity is measured, how it actually makes sense measure it, and how productivity and compensation interact, or do not. Some is just factual questioning - getting some with the chops of understanding economics to clearly explain how productivity is measured for cognitive services. And then, since that is likely GDP based, if that adequately captures produc…