A very informative article, thanks for linking. However, his estimates for the energy required were very conservative, and even if these numbers don't work out

A very informative article, thanks for linking. However, his estimates for the energy required were very conservative, and even if these numbers don't work out with today's water prices, they do make sense at a certain point that is likely lower than one encouraging violence. That effectively provide a cap where we start to go this route if necessary, and the vast supply means that we shouldn't go above that for very long.