> The upshot is that at a 2.3% growth rate (conveniently chosen to represent a 10× increase every century), we would reach boiling temperature in about 400 years.
Basically his conclusion is that at some point in the next 400 years, the predominant economic system on Earth will have to change in some way (and that economists are short-sighted for not believing this).
The analysis also seems to completely miss how the global economy's energy intensity has been falling for 20 years, according Enerdata[0]: "Global energy intensity (total energy consumption per unit of GDP) ... historical trend (-1.5%/year on average between 2000 and 2019)"
[0] https://yearbook.enerdata.net/total-energy/world-energy-inte...