The time limit of 1000 years is the worst part of this paper. If the energy consumption literally grows 2% every year, in 3013, the humanity will be consuming 3

The time limit of 1000 years is the worst part of this paper. If the energy consumption literally grows 2% every year, in 3013, the humanity will be consuming 3.98x10^8 times more energy than now. If it's really the case, the dissipation heat from the use of such a large amount of energy alone will kill us all, long before the tidal lock b/w the earth and the moon.